21025274126

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{809}}^1\times {\mathrm{1831}}^1$

素因数の和:2840

約数の個数: 32

約数和(自身を含む): 32480040960

約数和(自身を除く): 11454766834

約数列:

[1, 2, 47, 94, 151, 302, 809, 1618, 1831, 3662, 7097, 14194, 38023, 76046, 86057, 122159, 172114, 244318, 276481, 552962, 1481279, 2962558, 5741473, 11482946, 12994607, 25989214, 69620113, 139240226, 223673129, 447346258, 10512637063, 21025274126]

約数ペア:

[(1, 21025274126), (2, 10512637063), (47, 447346258), (94, 223673129), (151, 139240226), (302, 69620113), (809, 25989214), (1618, 12994607), (1831, 11482946), (3662, 5741473), (7097, 2962558), (14194, 1481279), (38023, 552962), (76046, 276481), (86057, 244318), (122159, 172114)]