21055448

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1439}}^1$

素因数の和:1535

約数の個数: 32

約数和(自身を含む): 41472000

約数和(自身を除く): 20416552

約数列:

[1, 2, 4, 8, 31, 59, 62, 118, 124, 236, 248, 472, 1439, 1829, 2878, 3658, 5756, 7316, 11512, 14632, 44609, 84901, 89218, 169802, 178436, 339604, 356872, 679208, 2631931, 5263862, 10527724, 21055448]

約数ペア:

[(1, 21055448), (2, 10527724), (4, 5263862), (8, 2631931), (31, 679208), (59, 356872), (62, 339604), (118, 178436), (124, 169802), (236, 89218), (248, 84901), (472, 44609), (1439, 14632), (1829, 11512), (2878, 7316), (3658, 5756)]