21765296

素因数分解:

$2^4\times 7^1\times {\mathrm{373}}^1\times {\mathrm{521}}^1$

素因数の和:909

約数の個数: 40

約数和(自身を含む): 48416544

約数和(自身を除く): 26651248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 373, 521, 746, 1042, 1492, 2084, 2611, 2984, 3647, 4168, 5222, 5968, 7294, 8336, 10444, 14588, 20888, 29176, 41776, 58352, 194333, 388666, 777332, 1360331, 1554664, 2720662, 3109328, 5441324, 10882648, 21765296]

約数ペア:

[(1, 21765296), (2, 10882648), (4, 5441324), (7, 3109328), (8, 2720662), (14, 1554664), (16, 1360331), (28, 777332), (56, 388666), (112, 194333), (373, 58352), (521, 41776), (746, 29176), (1042, 20888), (1492, 14588), (2084, 10444), (2611, 8336), (2984, 7294), (3647, 5968), (4168, 5222)]