21433400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{3457}}^1$

素因数の和:3504

約数の個数: 48

約数和(自身を含む): 51455040

約数和(自身を除く): 30021640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 310, 620, 775, 1240, 1550, 3100, 3457, 6200, 6914, 13828, 17285, 27656, 34570, 69140, 86425, 107167, 138280, 172850, 214334, 345700, 428668, 535835, 691400, 857336, 1071670, 2143340, 2679175, 4286680, 5358350, 10716700, 21433400]

約数ペア:

[(1, 21433400), (2, 10716700), (4, 5358350), (5, 4286680), (8, 2679175), (10, 2143340), (20, 1071670), (25, 857336), (31, 691400), (40, 535835), (50, 428668), (62, 345700), (100, 214334), (124, 172850), (155, 138280), (200, 107167), (248, 86425), (310, 69140), (620, 34570), (775, 27656), (1240, 17285), (1550, 13828), (3100, 6914), (3457, 6200)]