21902956628

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1\times {\mathrm{37273}}^1$

素因数の和:37992

約数の個数: 48

約数和(自身を含む): 45287015424

約数和(自身を除く): 23384058796

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 677, 868, 1354, 2708, 4739, 9478, 18956, 20987, 37273, 41974, 74546, 83948, 146909, 149092, 260911, 293818, 521822, 587636, 1043644, 1155463, 2310926, 4621852, 8088241, 16176482, 25233821, 32352964, 50467642, 100935284, 176636747, 353273494, 706546988, 782248451, 1564496902, 3128993804, 5475739157, 10951478314, 21902956628]

約数ペア:

[(1, 21902956628), (2, 10951478314), (4, 5475739157), (7, 3128993804), (14, 1564496902), (28, 782248451), (31, 706546988), (62, 353273494), (124, 176636747), (217, 100935284), (434, 50467642), (677, 32352964), (868, 25233821), (1354, 16176482), (2708, 8088241), (4739, 4621852), (9478, 2310926), (18956, 1155463), (20987, 1043644), (37273, 587636), (41974, 521822), (74546, 293818), (83948, 260911), (146909, 149092)]