21727692

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{571}}^1$

素因数の和:739

約数の個数: 72

約数和(自身を含む): 63295232

約数和(自身を除く): 41567540

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 151, 252, 302, 453, 571, 604, 906, 1057, 1142, 1359, 1713, 1812, 2114, 2284, 2718, 3171, 3426, 3997, 4228, 5139, 5436, 6342, 6852, 7994, 9513, 10278, 11991, 12684, 15988, 19026, 20556, 23982, 35973, 38052, 47964, 71946, 86221, 143892, 172442, 258663, 344884, 517326, 603547, 775989, 1034652, 1207094, 1551978, 1810641, 2414188, 3103956, 3621282, 5431923, 7242564, 10863846, 21727692]

約数ペア:

[(1, 21727692), (2, 10863846), (3, 7242564), (4, 5431923), (6, 3621282), (7, 3103956), (9, 2414188), (12, 1810641), (14, 1551978), (18, 1207094), (21, 1034652), (28, 775989), (36, 603547), (42, 517326), (63, 344884), (84, 258663), (126, 172442), (151, 143892), (252, 86221), (302, 71946), (453, 47964), (571, 38052), (604, 35973), (906, 23982), (1057, 20556), (1142, 19026), (1359, 15988), (1713, 12684), (1812, 11991), (2114, 10278), (2284, 9513), (2718, 7994), (3171, 6852), (3426, 6342), (3997, 5436), (4228, 5139)]