21101344

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{397}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 45734976

約数和(自身を除く): 24633632

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 151, 176, 302, 352, 397, 604, 794, 1208, 1588, 1661, 2416, 3176, 3322, 4367, 4832, 6352, 6644, 8734, 12704, 13288, 17468, 26576, 34936, 53152, 59947, 69872, 119894, 139744, 239788, 479576, 659417, 959152, 1318834, 1918304, 2637668, 5275336, 10550672, 21101344]

約数ペア:

[(1, 21101344), (2, 10550672), (4, 5275336), (8, 2637668), (11, 1918304), (16, 1318834), (22, 959152), (32, 659417), (44, 479576), (88, 239788), (151, 139744), (176, 119894), (302, 69872), (352, 59947), (397, 53152), (604, 34936), (794, 26576), (1208, 17468), (1588, 13288), (1661, 12704), (2416, 8734), (3176, 6644), (3322, 6352), (4367, 4832)]