21411700

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{6907}}^1$

素因数の和:6952

約数の個数: 36

約数和(自身を含む): 47969152

約数和(自身を除く): 26557452

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 6907, 13814, 27628, 34535, 69070, 138140, 172675, 214117, 345350, 428234, 690700, 856468, 1070585, 2141170, 4282340, 5352925, 10705850, 21411700]

約数ペア:

[(1, 21411700), (2, 10705850), (4, 5352925), (5, 4282340), (10, 2141170), (20, 1070585), (25, 856468), (31, 690700), (50, 428234), (62, 345350), (100, 214117), (124, 172675), (155, 138140), (310, 69070), (620, 34535), (775, 27628), (1550, 13814), (3100, 6907)]