21990432

素因数分解:

$2^5\times 3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 61133184

約数和(自身を除く): 39142752

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 37, 41, 48, 74, 82, 96, 111, 123, 148, 151, 164, 222, 246, 296, 302, 328, 444, 453, 492, 592, 604, 656, 888, 906, 984, 1184, 1208, 1312, 1517, 1776, 1812, 1968, 2416, 3034, 3552, 3624, 3936, 4551, 4832, 5587, 6068, 6191, 7248, 9102, 11174, 12136, 12382, 14496, 16761, 18204, 18573, 22348, 24272, 24764, 33522, 36408, 37146, 44696, 48544, 49528, 67044, 72816, 74292, 89392, 99056, 134088, 145632, 148584, 178784, 198112, 229067, 268176, 297168, 458134, 536352, 594336, 687201, 916268, 1374402, 1832536, 2748804, 3665072, 5497608, 7330144, 10995216, 21990432]

約数ペア:

[(1, 21990432), (2, 10995216), (3, 7330144), (4, 5497608), (6, 3665072), (8, 2748804), (12, 1832536), (16, 1374402), (24, 916268), (32, 687201), (37, 594336), (41, 536352), (48, 458134), (74, 297168), (82, 268176), (96, 229067), (111, 198112), (123, 178784), (148, 148584), (151, 145632), (164, 134088), (222, 99056), (246, 89392), (296, 74292), (302, 72816), (328, 67044), (444, 49528), (453, 48544), (492, 44696), (592, 37146), (604, 36408), (656, 33522), (888, 24764), (906, 24272), (984, 22348), (1184, 18573), (1208, 18204), (1312, 16761), (1517, 14496), (1776, 12382), (1812, 12136), (1968, 11174), (2416, 9102), (3034, 7248), (3552, 6191), (3624, 6068), (3936, 5587), (4551, 4832)]