21493090900

素因数分解:

$2^2\times 5^2\times {\mathrm{3203}}^1\times {\mathrm{67103}}^1$

素因数の和:70320

約数の個数: 36

約数和(自身を含む): 46655263872

約数和(自身を除く): 25162172972

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 3203, 6406, 12812, 16015, 32030, 64060, 67103, 80075, 134206, 160150, 268412, 320300, 335515, 671030, 1342060, 1677575, 3355150, 6710300, 214930909, 429861818, 859723636, 1074654545, 2149309090, 4298618180, 5373272725, 10746545450, 21493090900]

約数ペア:

[(1, 21493090900), (2, 10746545450), (4, 5373272725), (5, 4298618180), (10, 2149309090), (20, 1074654545), (25, 859723636), (50, 429861818), (100, 214930909), (3203, 6710300), (6406, 3355150), (12812, 1677575), (16015, 1342060), (32030, 671030), (64060, 335515), (67103, 320300), (80075, 268412), (134206, 160150)]