21102828

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 50663424

約数和(自身を除く): 29560596

約数列:

[1, 2, 3, 4, 6, 12, 61, 122, 127, 183, 227, 244, 254, 366, 381, 454, 508, 681, 732, 762, 908, 1362, 1524, 2724, 7747, 13847, 15494, 23241, 27694, 28829, 30988, 41541, 46482, 55388, 57658, 83082, 86487, 92964, 115316, 166164, 172974, 345948, 1758569, 3517138, 5275707, 7034276, 10551414, 21102828]

約数ペア:

[(1, 21102828), (2, 10551414), (3, 7034276), (4, 5275707), (6, 3517138), (12, 1758569), (61, 345948), (122, 172974), (127, 166164), (183, 115316), (227, 92964), (244, 86487), (254, 83082), (366, 57658), (381, 55388), (454, 46482), (508, 41541), (681, 30988), (732, 28829), (762, 27694), (908, 23241), (1362, 15494), (1524, 13847), (2724, 7747)]