21586912

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 44900352

約数和(自身を除く): 23313440

約数列:

[1, 2, 4, 8, 16, 31, 32, 47, 62, 94, 124, 188, 248, 376, 463, 496, 752, 926, 992, 1457, 1504, 1852, 2914, 3704, 5828, 7408, 11656, 14353, 14816, 21761, 23312, 28706, 43522, 46624, 57412, 87044, 114824, 174088, 229648, 348176, 459296, 674591, 696352, 1349182, 2698364, 5396728, 10793456, 21586912]

約数ペア:

[(1, 21586912), (2, 10793456), (4, 5396728), (8, 2698364), (16, 1349182), (31, 696352), (32, 674591), (47, 459296), (62, 348176), (94, 229648), (124, 174088), (188, 114824), (248, 87044), (376, 57412), (463, 46624), (496, 43522), (752, 28706), (926, 23312), (992, 21761), (1457, 14816), (1504, 14353), (1852, 11656), (2914, 7408), (3704, 5828)]