21537014401

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1\times {\mathrm{3467}}^1$

素因数の和:4005

約数の個数: 32

約数和(自身を含む): 25888481280

約数和(自身を除く): 4351466879

約数列:

[1, 7, 29, 71, 203, 431, 497, 2059, 3017, 3467, 12499, 14413, 24269, 30601, 87493, 100543, 214207, 246157, 703801, 887429, 1494277, 1723099, 6212003, 7138553, 10459939, 43334033, 49969871, 106093667, 303338231, 742655669, 3076716343, 21537014401]

約数ペア:

[(1, 21537014401), (7, 3076716343), (29, 742655669), (71, 303338231), (203, 106093667), (431, 49969871), (497, 43334033), (2059, 10459939), (3017, 7138553), (3467, 6212003), (12499, 1723099), (14413, 1494277), (24269, 887429), (30601, 703801), (87493, 246157), (100543, 214207)]