21111612

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 50663424

約数和(自身を除く): 29551812

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 151, 183, 191, 244, 302, 366, 382, 453, 573, 604, 732, 764, 906, 1146, 1812, 2292, 9211, 11651, 18422, 23302, 27633, 28841, 34953, 36844, 46604, 55266, 57682, 69906, 86523, 110532, 115364, 139812, 173046, 346092, 1759301, 3518602, 5277903, 7037204, 10555806, 21111612]

約数ペア:

[(1, 21111612), (2, 10555806), (3, 7037204), (4, 5277903), (6, 3518602), (12, 1759301), (61, 346092), (122, 173046), (151, 139812), (183, 115364), (191, 110532), (244, 86523), (302, 69906), (366, 57682), (382, 55266), (453, 46604), (573, 36844), (604, 34953), (732, 28841), (764, 27633), (906, 23302), (1146, 18422), (1812, 11651), (2292, 9211)]