21531088040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{52561}}^1$

素因数の和:52616

約数の個数: 192

約数和(自身を含む): 64714334400

約数和(自身を除く): 43183246360

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 19, 20, 22, 28, 35, 38, 40, 44, 49, 55, 56, 70, 76, 77, 88, 95, 98, 110, 133, 140, 152, 154, 190, 196, 209, 220, 245, 266, 280, 308, 380, 385, 392, 418, 440, 490, 532, 539, 616, 665, 760, 770, 836, 931, 980, 1045, 1064, 1078, 1330, 1463, 1540, 1672, 1862, 1960, 2090, 2156, 2660, 2695, 2926, 3080, 3724, 4180, 4312, 4655, 5320, 5390, 5852, 7315, 7448, 8360, 9310, 10241, 10780, 11704, 14630, 18620, 20482, 21560, 29260, 37240, 40964, 51205, 52561, 58520, 81928, 102410, 105122, 204820, 210244, 262805, 367927, 409640, 420488, 525610, 578171, 735854, 998659, 1051220, 1156342, 1471708, 1839635, 1997318, 2102440, 2312684, 2575489, 2890855, 2943416, 3679270, 3994636, 4047197, 4625368, 4993295, 5150978, 5781710, 6990613, 7358540, 7989272, 8094394, 9986590, 10301956, 10985249, 11563420, 12877445, 13981226, 14717080, 16188788, 19973180, 20235985, 20603912, 21970498, 23126840, 25754890, 27962452, 28330379, 32377576, 34953065, 39946360, 40471970, 43940996, 48934291, 51509780, 54926245, 55924904, 56660758, 69906130, 76896743, 80943940, 87881992, 97868582, 103019560, 109852490, 113321516, 139812260, 141651895, 153793486, 161887880, 195737164, 219704980, 226643032, 244671455, 279624520, 283303790, 307586972, 384483715, 391474328, 439409960, 489342910, 538277201, 566607580, 615173944, 768967430, 978685820, 1076554402, 1133215160, 1537934860, 1957371640, 2153108804, 2691386005, 3075869720, 4306217608, 5382772010, 10765544020, 21531088040]

約数ペア:

[(1, 21531088040), (2, 10765544020), (4, 5382772010), (5, 4306217608), (7, 3075869720), (8, 2691386005), (10, 2153108804), (11, 1957371640), (14, 1537934860), (19, 1133215160), (20, 1076554402), (22, 978685820), (28, 768967430), (35, 615173944), (38, 566607580), (40, 538277201), (44, 489342910), (49, 439409960), (55, 391474328), (56, 384483715), (70, 307586972), (76, 283303790), (77, 279624520), (88, 244671455), (95, 226643032), (98, 219704980), (110, 195737164), (133, 161887880), (140, 153793486), (152, 141651895), (154, 139812260), (190, 113321516), (196, 109852490), (209, 103019560), (220, 97868582), (245, 87881992), (266, 80943940), (280, 76896743), (308, 69906130), (380, 56660758), (385, 55924904), (392, 54926245), (418, 51509780), (440, 48934291), (490, 43940996), (532, 40471970), (539, 39946360), (616, 34953065), (665, 32377576), (760, 28330379), (770, 27962452), (836, 25754890), (931, 23126840), (980, 21970498), (1045, 20603912), (1064, 20235985), (1078, 19973180), (1330, 16188788), (1463, 14717080), (1540, 13981226), (1672, 12877445), (1862, 11563420), (1960, 10985249), (2090, 10301956), (2156, 9986590), (2660, 8094394), (2695, 7989272), (2926, 7358540), (3080, 6990613), (3724, 5781710), (4180, 5150978), (4312, 4993295), (4655, 4625368), (5320, 4047197), (5390, 3994636), (5852, 3679270), (7315, 2943416), (7448, 2890855), (8360, 2575489), (9310, 2312684), (10241, 2102440), (10780, 1997318), (11704, 1839635), (14630, 1471708), (18620, 1156342), (20482, 1051220), (21560, 998659), (29260, 735854), (37240, 578171), (40964, 525610), (51205, 420488), (52561, 409640), (58520, 367927), (81928, 262805), (102410, 210244), (105122, 204820)]