21490092

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{977}}^1$

素因数の和:1047

約数の個数: 72

約数和(自身を含む): 59806656

約数和(自身を除く): 38316564

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 188, 234, 282, 423, 468, 564, 611, 846, 977, 1222, 1692, 1833, 1954, 2444, 2931, 3666, 3908, 5499, 5862, 7332, 8793, 10998, 11724, 12701, 17586, 21996, 25402, 35172, 38103, 45919, 50804, 76206, 91838, 114309, 137757, 152412, 183676, 228618, 275514, 413271, 457236, 551028, 596947, 826542, 1193894, 1653084, 1790841, 2387788, 3581682, 5372523, 7163364, 10745046, 21490092]

約数ペア:

[(1, 21490092), (2, 10745046), (3, 7163364), (4, 5372523), (6, 3581682), (9, 2387788), (12, 1790841), (13, 1653084), (18, 1193894), (26, 826542), (36, 596947), (39, 551028), (47, 457236), (52, 413271), (78, 275514), (94, 228618), (117, 183676), (141, 152412), (156, 137757), (188, 114309), (234, 91838), (282, 76206), (423, 50804), (468, 45919), (564, 38103), (611, 35172), (846, 25402), (977, 21996), (1222, 17586), (1692, 12701), (1833, 11724), (1954, 10998), (2444, 8793), (2931, 7332), (3666, 5862), (3908, 5499)]