21986016

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:328

約数の個数: 96

約数和(自身を含む): 63221760

約数和(自身を除く): 41235744

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 79, 96, 104, 156, 158, 208, 223, 237, 312, 316, 416, 446, 474, 624, 632, 669, 892, 948, 1027, 1248, 1264, 1338, 1784, 1896, 2054, 2528, 2676, 2899, 3081, 3568, 3792, 4108, 5352, 5798, 6162, 7136, 7584, 8216, 8697, 10704, 11596, 12324, 16432, 17394, 17617, 21408, 23192, 24648, 32864, 34788, 35234, 46384, 49296, 52851, 69576, 70468, 92768, 98592, 105702, 139152, 140936, 211404, 229021, 278304, 281872, 422808, 458042, 563744, 687063, 845616, 916084, 1374126, 1691232, 1832168, 2748252, 3664336, 5496504, 7328672, 10993008, 21986016]

約数ペア:

[(1, 21986016), (2, 10993008), (3, 7328672), (4, 5496504), (6, 3664336), (8, 2748252), (12, 1832168), (13, 1691232), (16, 1374126), (24, 916084), (26, 845616), (32, 687063), (39, 563744), (48, 458042), (52, 422808), (78, 281872), (79, 278304), (96, 229021), (104, 211404), (156, 140936), (158, 139152), (208, 105702), (223, 98592), (237, 92768), (312, 70468), (316, 69576), (416, 52851), (446, 49296), (474, 46384), (624, 35234), (632, 34788), (669, 32864), (892, 24648), (948, 23192), (1027, 21408), (1248, 17617), (1264, 17394), (1338, 16432), (1784, 12324), (1896, 11596), (2054, 10704), (2528, 8697), (2676, 8216), (2899, 7584), (3081, 7136), (3568, 6162), (3792, 5798), (4108, 5352)]