21480497788

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{491}}^1\times {\mathrm{929}}^1$

素因数の和:1678

約数の個数: 48

約数和(自身を含む): 38524721760

約数和(自身を除く): 17044223972

約数列:

[1, 2, 4, 61, 122, 193, 244, 386, 491, 772, 929, 982, 1858, 1964, 3716, 11773, 23546, 29951, 47092, 56669, 59902, 94763, 113338, 119804, 179297, 189526, 226676, 358594, 379052, 456139, 717188, 912278, 1824556, 5780543, 10937117, 11561086, 21874234, 23122172, 27824479, 43748468, 55648958, 88034827, 111297916, 176069654, 352139308, 5370124447, 10740248894, 21480497788]

約数ペア:

[(1, 21480497788), (2, 10740248894), (4, 5370124447), (61, 352139308), (122, 176069654), (193, 111297916), (244, 88034827), (386, 55648958), (491, 43748468), (772, 27824479), (929, 23122172), (982, 21874234), (1858, 11561086), (1964, 10937117), (3716, 5780543), (11773, 1824556), (23546, 912278), (29951, 717188), (47092, 456139), (56669, 379052), (59902, 358594), (94763, 226676), (113338, 189526), (119804, 179297)]