21490752

素因数分解:

$2^6\times 3^1\times {\mathrm{173}}^1\times {\mathrm{647}}^1$

素因数の和:835

約数の個数: 56

約数和(自身を含む): 57278016

約数和(自身を除く): 35787264

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 173, 192, 346, 519, 647, 692, 1038, 1294, 1384, 1941, 2076, 2588, 2768, 3882, 4152, 5176, 5536, 7764, 8304, 10352, 11072, 15528, 16608, 20704, 31056, 33216, 41408, 62112, 111931, 124224, 223862, 335793, 447724, 671586, 895448, 1343172, 1790896, 2686344, 3581792, 5372688, 7163584, 10745376, 21490752]

約数ペア:

[(1, 21490752), (2, 10745376), (3, 7163584), (4, 5372688), (6, 3581792), (8, 2686344), (12, 1790896), (16, 1343172), (24, 895448), (32, 671586), (48, 447724), (64, 335793), (96, 223862), (173, 124224), (192, 111931), (346, 62112), (519, 41408), (647, 33216), (692, 31056), (1038, 20704), (1294, 16608), (1384, 15528), (1941, 11072), (2076, 10352), (2588, 8304), (2768, 7764), (3882, 5536), (4152, 5176)]