21972060

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1$

素因数の和:175

約数の個数: 168

約数和(自身を含む): 76020336

約数和(自身を除く): 54048276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 137, 162, 165, 180, 198, 220, 243, 270, 274, 297, 324, 330, 396, 405, 411, 486, 495, 540, 548, 594, 660, 685, 729, 810, 822, 891, 972, 990, 1188, 1215, 1233, 1370, 1458, 1485, 1507, 1620, 1644, 1782, 1980, 2055, 2430, 2466, 2673, 2740, 2916, 2970, 3014, 3564, 3645, 3699, 4110, 4455, 4521, 4860, 4932, 5346, 5940, 6028, 6165, 7290, 7398, 7535, 8019, 8220, 8910, 9042, 10692, 11097, 12330, 13365, 13563, 14580, 14796, 15070, 16038, 17820, 18084, 18495, 22194, 22605, 24660, 26730, 27126, 30140, 32076, 33291, 36990, 40095, 40689, 44388, 45210, 53460, 54252, 55485, 66582, 67815, 73980, 80190, 81378, 90420, 99873, 110970, 122067, 133164, 135630, 160380, 162756, 166455, 199746, 203445, 221940, 244134, 271260, 332910, 366201, 399492, 406890, 488268, 499365, 610335, 665820, 732402, 813780, 998730, 1098603, 1220670, 1464804, 1831005, 1997460, 2197206, 2441340, 3662010, 4394412, 5493015, 7324020, 10986030, 21972060]

約数ペア:

[(1, 21972060), (2, 10986030), (3, 7324020), (4, 5493015), (5, 4394412), (6, 3662010), (9, 2441340), (10, 2197206), (11, 1997460), (12, 1831005), (15, 1464804), (18, 1220670), (20, 1098603), (22, 998730), (27, 813780), (30, 732402), (33, 665820), (36, 610335), (44, 499365), (45, 488268), (54, 406890), (55, 399492), (60, 366201), (66, 332910), (81, 271260), (90, 244134), (99, 221940), (108, 203445), (110, 199746), (132, 166455), (135, 162756), (137, 160380), (162, 135630), (165, 133164), (180, 122067), (198, 110970), (220, 99873), (243, 90420), (270, 81378), (274, 80190), (297, 73980), (324, 67815), (330, 66582), (396, 55485), (405, 54252), (411, 53460), (486, 45210), (495, 44388), (540, 40689), (548, 40095), (594, 36990), (660, 33291), (685, 32076), (729, 30140), (810, 27126), (822, 26730), (891, 24660), (972, 22605), (990, 22194), (1188, 18495), (1215, 18084), (1233, 17820), (1370, 16038), (1458, 15070), (1485, 14796), (1507, 14580), (1620, 13563), (1644, 13365), (1782, 12330), (1980, 11097), (2055, 10692), (2430, 9042), (2466, 8910), (2673, 8220), (2740, 8019), (2916, 7535), (2970, 7398), (3014, 7290), (3564, 6165), (3645, 6028), (3699, 5940), (4110, 5346), (4455, 4932), (4521, 4860)]