21325752

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:186

約数の個数: 192

約数和(自身を含む): 74131200

約数和(自身を除く): 52805448

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 19, 21, 24, 28, 34, 36, 38, 42, 51, 56, 57, 63, 68, 72, 76, 84, 102, 114, 119, 126, 131, 133, 136, 152, 153, 168, 171, 204, 228, 238, 252, 262, 266, 306, 323, 342, 357, 393, 399, 408, 456, 476, 504, 524, 532, 612, 646, 684, 714, 786, 798, 917, 952, 969, 1048, 1064, 1071, 1179, 1197, 1224, 1292, 1368, 1428, 1572, 1596, 1834, 1938, 2142, 2227, 2261, 2358, 2394, 2489, 2584, 2751, 2856, 2907, 3144, 3192, 3668, 3876, 4284, 4454, 4522, 4716, 4788, 4978, 5502, 5814, 6681, 6783, 7336, 7467, 7752, 8253, 8568, 8908, 9044, 9432, 9576, 9956, 11004, 11628, 13362, 13566, 14934, 15589, 16506, 17423, 17816, 18088, 19912, 20043, 20349, 22008, 22401, 23256, 26724, 27132, 29868, 31178, 33012, 34846, 40086, 40698, 42313, 44802, 46767, 52269, 53448, 54264, 59736, 62356, 66024, 69692, 80172, 81396, 84626, 89604, 93534, 104538, 124712, 126939, 139384, 140301, 156807, 160344, 162792, 169252, 179208, 187068, 209076, 253878, 280602, 296191, 313614, 338504, 374136, 380817, 418152, 507756, 561204, 592382, 627228, 761634, 888573, 1015512, 1122408, 1184764, 1254456, 1523268, 1777146, 2369528, 2665719, 3046536, 3554292, 5331438, 7108584, 10662876, 21325752]

約数ペア:

[(1, 21325752), (2, 10662876), (3, 7108584), (4, 5331438), (6, 3554292), (7, 3046536), (8, 2665719), (9, 2369528), (12, 1777146), (14, 1523268), (17, 1254456), (18, 1184764), (19, 1122408), (21, 1015512), (24, 888573), (28, 761634), (34, 627228), (36, 592382), (38, 561204), (42, 507756), (51, 418152), (56, 380817), (57, 374136), (63, 338504), (68, 313614), (72, 296191), (76, 280602), (84, 253878), (102, 209076), (114, 187068), (119, 179208), (126, 169252), (131, 162792), (133, 160344), (136, 156807), (152, 140301), (153, 139384), (168, 126939), (171, 124712), (204, 104538), (228, 93534), (238, 89604), (252, 84626), (262, 81396), (266, 80172), (306, 69692), (323, 66024), (342, 62356), (357, 59736), (393, 54264), (399, 53448), (408, 52269), (456, 46767), (476, 44802), (504, 42313), (524, 40698), (532, 40086), (612, 34846), (646, 33012), (684, 31178), (714, 29868), (786, 27132), (798, 26724), (917, 23256), (952, 22401), (969, 22008), (1048, 20349), (1064, 20043), (1071, 19912), (1179, 18088), (1197, 17816), (1224, 17423), (1292, 16506), (1368, 15589), (1428, 14934), (1572, 13566), (1596, 13362), (1834, 11628), (1938, 11004), (2142, 9956), (2227, 9576), (2261, 9432), (2358, 9044), (2394, 8908), (2489, 8568), (2584, 8253), (2751, 7752), (2856, 7467), (2907, 7336), (3144, 6783), (3192, 6681), (3668, 5814), (3876, 5502), (4284, 4978), (4454, 4788), (4522, 4716)]