21859863575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{347}}^1\times {\mathrm{827}}^1$

素因数の和:1472

約数の個数: 48

約数和(自身を含む): 29798699904

約数和(自身を除く): 7938836329

約数列:

[1, 5, 11, 25, 55, 275, 277, 347, 827, 1385, 1735, 3047, 3817, 4135, 6925, 8675, 9097, 15235, 19085, 20675, 45485, 76175, 95425, 96119, 227425, 229079, 286969, 480595, 1057309, 1145395, 1434845, 2402975, 2519869, 3156659, 5286545, 5726975, 7174225, 12599345, 15783295, 26432725, 62996725, 78916475, 79490413, 397452065, 874394543, 1987260325, 4371972715, 21859863575]

約数ペア:

[(1, 21859863575), (5, 4371972715), (11, 1987260325), (25, 874394543), (55, 397452065), (275, 79490413), (277, 78916475), (347, 62996725), (827, 26432725), (1385, 15783295), (1735, 12599345), (3047, 7174225), (3817, 5726975), (4135, 5286545), (6925, 3156659), (8675, 2519869), (9097, 2402975), (15235, 1434845), (19085, 1145395), (20675, 1057309), (45485, 480595), (76175, 286969), (95425, 229079), (96119, 227425)]