21738266355

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{271}}^1\times {\mathrm{31643}}^1$

素因数の和:31948

約数の個数: 48

約数和(自身を含む): 37802681856

約数和(自身を除く): 16064415501

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 271, 507, 813, 845, 1355, 2535, 3523, 4065, 10569, 17615, 31643, 45799, 52845, 94929, 137397, 158215, 228995, 411359, 474645, 686985, 1234077, 2056795, 5347667, 6170385, 8575253, 16043001, 25725759, 26738335, 42876265, 80215005, 111478289, 128628795, 334434867, 557391445, 1449217757, 1672174335, 4347653271, 7246088785, 21738266355]

約数ペア:

[(1, 21738266355), (3, 7246088785), (5, 4347653271), (13, 1672174335), (15, 1449217757), (39, 557391445), (65, 334434867), (169, 128628795), (195, 111478289), (271, 80215005), (507, 42876265), (813, 26738335), (845, 25725759), (1355, 16043001), (2535, 8575253), (3523, 6170385), (4065, 5347667), (10569, 2056795), (17615, 1234077), (31643, 686985), (45799, 474645), (52845, 411359), (94929, 228995), (137397, 158215)]