21643736

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 45964800

約数和(自身を除く): 24321064

約数列:

[1, 2, 4, 8, 19, 23, 38, 41, 46, 76, 82, 92, 151, 152, 164, 184, 302, 328, 437, 604, 779, 874, 943, 1208, 1558, 1748, 1886, 2869, 3116, 3473, 3496, 3772, 5738, 6191, 6232, 6946, 7544, 11476, 12382, 13892, 17917, 22952, 24764, 27784, 35834, 49528, 65987, 71668, 117629, 131974, 142393, 143336, 235258, 263948, 284786, 470516, 527896, 569572, 941032, 1139144, 2705467, 5410934, 10821868, 21643736]

約数ペア:

[(1, 21643736), (2, 10821868), (4, 5410934), (8, 2705467), (19, 1139144), (23, 941032), (38, 569572), (41, 527896), (46, 470516), (76, 284786), (82, 263948), (92, 235258), (151, 143336), (152, 142393), (164, 131974), (184, 117629), (302, 71668), (328, 65987), (437, 49528), (604, 35834), (779, 27784), (874, 24764), (943, 22952), (1208, 17917), (1558, 13892), (1748, 12382), (1886, 11476), (2869, 7544), (3116, 6946), (3473, 6232), (3496, 6191), (3772, 5738)]