21918408532

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{1201}}^1\times {\mathrm{1217}}^1$

素因数の和:2608

約数の個数: 48

約数和(自身を含む): 40337119872

約数和(自身を除く): 18418711340

約数列:

[1, 2, 4, 23, 46, 92, 163, 326, 652, 1201, 1217, 2402, 2434, 3749, 4804, 4868, 7498, 14996, 27623, 27991, 55246, 55982, 110492, 111964, 195763, 198371, 391526, 396742, 783052, 793484, 1461617, 2923234, 4502549, 4562533, 5846468, 9005098, 9125066, 18010196, 18250132, 33617191, 67234382, 134468764, 238243571, 476487142, 952974284, 5479602133, 10959204266, 21918408532]

約数ペア:

[(1, 21918408532), (2, 10959204266), (4, 5479602133), (23, 952974284), (46, 476487142), (92, 238243571), (163, 134468764), (326, 67234382), (652, 33617191), (1201, 18250132), (1217, 18010196), (2402, 9125066), (2434, 9005098), (3749, 5846468), (4804, 4562533), (4868, 4502549), (7498, 2923234), (14996, 1461617), (27623, 793484), (27991, 783052), (55246, 396742), (55982, 391526), (110492, 198371), (111964, 195763)]