21112496

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1877}}^1$

素因数の和:1941

約数の個数: 40

約数和(自身を含む): 44245680

約数和(自身を除く): 23133184

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 296, 304, 592, 703, 1406, 1877, 2812, 3754, 5624, 7508, 11248, 15016, 30032, 35663, 69449, 71326, 138898, 142652, 277796, 285304, 555592, 570608, 1111184, 1319531, 2639062, 5278124, 10556248, 21112496]

約数ペア:

[(1, 21112496), (2, 10556248), (4, 5278124), (8, 2639062), (16, 1319531), (19, 1111184), (37, 570608), (38, 555592), (74, 285304), (76, 277796), (148, 142652), (152, 138898), (296, 71326), (304, 69449), (592, 35663), (703, 30032), (1406, 15016), (1877, 11248), (2812, 7508), (3754, 5624)]