21098928

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:274

約数の個数: 80

約数和(自身を含む): 56996352

約数和(自身を除く): 35897424

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 71, 82, 123, 142, 151, 164, 213, 246, 284, 302, 328, 426, 453, 492, 568, 604, 656, 852, 906, 984, 1136, 1208, 1704, 1812, 1968, 2416, 2911, 3408, 3624, 5822, 6191, 7248, 8733, 10721, 11644, 12382, 17466, 18573, 21442, 23288, 24764, 32163, 34932, 37146, 42884, 46576, 49528, 64326, 69864, 74292, 85768, 99056, 128652, 139728, 148584, 171536, 257304, 297168, 439561, 514608, 879122, 1318683, 1758244, 2637366, 3516488, 5274732, 7032976, 10549464, 21098928]

約数ペア:

[(1, 21098928), (2, 10549464), (3, 7032976), (4, 5274732), (6, 3516488), (8, 2637366), (12, 1758244), (16, 1318683), (24, 879122), (41, 514608), (48, 439561), (71, 297168), (82, 257304), (123, 171536), (142, 148584), (151, 139728), (164, 128652), (213, 99056), (246, 85768), (284, 74292), (302, 69864), (328, 64326), (426, 49528), (453, 46576), (492, 42884), (568, 37146), (604, 34932), (656, 32163), (852, 24764), (906, 23288), (984, 21442), (1136, 18573), (1208, 17466), (1704, 12382), (1812, 11644), (1968, 10721), (2416, 8733), (2911, 7248), (3408, 6191), (3624, 5822)]