21372226204

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{40759}}^1$

素因数の和:41138

約数の個数: 48

約数和(自身を含む): 43587765760

約数和(自身を除く): 22215539556

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 307, 427, 614, 854, 1228, 1708, 2149, 4298, 8596, 18727, 37454, 40759, 74908, 81518, 131089, 163036, 262178, 285313, 524356, 570626, 1141252, 2486299, 4972598, 9945196, 12513013, 17404093, 25026026, 34808186, 50052052, 69616372, 87591091, 175182182, 350364364, 763293793, 1526587586, 3053175172, 5343056551, 10686113102, 21372226204]

約数ペア:

[(1, 21372226204), (2, 10686113102), (4, 5343056551), (7, 3053175172), (14, 1526587586), (28, 763293793), (61, 350364364), (122, 175182182), (244, 87591091), (307, 69616372), (427, 50052052), (614, 34808186), (854, 25026026), (1228, 17404093), (1708, 12513013), (2149, 9945196), (4298, 4972598), (8596, 2486299), (18727, 1141252), (37454, 570626), (40759, 524356), (74908, 285313), (81518, 262178), (131089, 163036)]