21900996

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:866

約数の個数: 96

約数和(自身を含む): 64444800

約数和(自身を除く): 42543804

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 36, 38, 39, 52, 54, 57, 76, 78, 108, 114, 117, 156, 171, 228, 234, 247, 342, 351, 468, 494, 513, 684, 702, 741, 821, 988, 1026, 1404, 1482, 1642, 2052, 2223, 2463, 2964, 3284, 4446, 4926, 6669, 7389, 8892, 9852, 10673, 13338, 14778, 15599, 21346, 22167, 26676, 29556, 31198, 32019, 42692, 44334, 46797, 62396, 64038, 88668, 93594, 96057, 128076, 140391, 187188, 192114, 202787, 280782, 288171, 384228, 405574, 421173, 561564, 576342, 608361, 811148, 842346, 1152684, 1216722, 1684692, 1825083, 2433444, 3650166, 5475249, 7300332, 10950498, 21900996]

約数ペア:

[(1, 21900996), (2, 10950498), (3, 7300332), (4, 5475249), (6, 3650166), (9, 2433444), (12, 1825083), (13, 1684692), (18, 1216722), (19, 1152684), (26, 842346), (27, 811148), (36, 608361), (38, 576342), (39, 561564), (52, 421173), (54, 405574), (57, 384228), (76, 288171), (78, 280782), (108, 202787), (114, 192114), (117, 187188), (156, 140391), (171, 128076), (228, 96057), (234, 93594), (247, 88668), (342, 64038), (351, 62396), (468, 46797), (494, 44334), (513, 42692), (684, 32019), (702, 31198), (741, 29556), (821, 26676), (988, 22167), (1026, 21346), (1404, 15599), (1482, 14778), (1642, 13338), (2052, 10673), (2223, 9852), (2463, 8892), (2964, 7389), (3284, 6669), (4446, 4926)]