21151962

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1039}}^1$

素因数の和:1092

約数の個数: 64

約数和(自身を含む): 52416000

約数和(自身を除く): 31264038

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 29, 39, 54, 58, 78, 87, 117, 174, 234, 261, 351, 377, 522, 702, 754, 783, 1039, 1131, 1566, 2078, 2262, 3117, 3393, 6234, 6786, 9351, 10179, 13507, 18702, 20358, 27014, 28053, 30131, 40521, 56106, 60262, 81042, 90393, 121563, 180786, 243126, 271179, 364689, 391703, 542358, 729378, 783406, 813537, 1175109, 1627074, 2350218, 3525327, 7050654, 10575981, 21151962]

約数ペア:

[(1, 21151962), (2, 10575981), (3, 7050654), (6, 3525327), (9, 2350218), (13, 1627074), (18, 1175109), (26, 813537), (27, 783406), (29, 729378), (39, 542358), (54, 391703), (58, 364689), (78, 271179), (87, 243126), (117, 180786), (174, 121563), (234, 90393), (261, 81042), (351, 60262), (377, 56106), (522, 40521), (702, 30131), (754, 28053), (783, 27014), (1039, 20358), (1131, 18702), (1566, 13507), (2078, 10179), (2262, 9351), (3117, 6786), (3393, 6234)]