21681555372

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{7933}}^1$

素因数の和:8084

約数の個数: 108

約数和(自身を含む): 57355203360

約数和(自身を除く): 35673647988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 79, 93, 124, 158, 186, 237, 279, 316, 372, 474, 558, 711, 948, 961, 1116, 1422, 1922, 2449, 2844, 2883, 3844, 4898, 5766, 7347, 7933, 8649, 9796, 11532, 14694, 15866, 17298, 22041, 23799, 29388, 31732, 34596, 44082, 47598, 71397, 75919, 88164, 95196, 142794, 151838, 227757, 245923, 285588, 303676, 455514, 491846, 626707, 683271, 737769, 911028, 983692, 1253414, 1366542, 1475538, 1880121, 2213307, 2506828, 2733084, 2951076, 3760242, 4426614, 5640363, 7520484, 7623613, 8853228, 11280726, 15247226, 19427917, 22561452, 22870839, 30494452, 38855834, 45741678, 58283751, 68612517, 77711668, 91483356, 116567502, 137225034, 174851253, 233135004, 274450068, 349702506, 602265427, 699405012, 1204530854, 1806796281, 2409061708, 3613592562, 5420388843, 7227185124, 10840777686, 21681555372]

約数ペア:

[(1, 21681555372), (2, 10840777686), (3, 7227185124), (4, 5420388843), (6, 3613592562), (9, 2409061708), (12, 1806796281), (18, 1204530854), (31, 699405012), (36, 602265427), (62, 349702506), (79, 274450068), (93, 233135004), (124, 174851253), (158, 137225034), (186, 116567502), (237, 91483356), (279, 77711668), (316, 68612517), (372, 58283751), (474, 45741678), (558, 38855834), (711, 30494452), (948, 22870839), (961, 22561452), (1116, 19427917), (1422, 15247226), (1922, 11280726), (2449, 8853228), (2844, 7623613), (2883, 7520484), (3844, 5640363), (4898, 4426614), (5766, 3760242), (7347, 2951076), (7933, 2733084), (8649, 2506828), (9796, 2213307), (11532, 1880121), (14694, 1475538), (15866, 1366542), (17298, 1253414), (22041, 983692), (23799, 911028), (29388, 737769), (31732, 683271), (34596, 626707), (44082, 491846), (47598, 455514), (71397, 303676), (75919, 285588), (88164, 245923), (95196, 227757), (142794, 151838)]