21545056

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{773}}^1$

素因数の和:863

約数の個数: 48

約数和(自身を含む): 46421424

約数和(自身を除く): 24876368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 67, 104, 134, 208, 268, 416, 536, 773, 871, 1072, 1546, 1742, 2144, 3092, 3484, 6184, 6968, 10049, 12368, 13936, 20098, 24736, 27872, 40196, 51791, 80392, 103582, 160784, 207164, 321568, 414328, 673283, 828656, 1346566, 1657312, 2693132, 5386264, 10772528, 21545056]

約数ペア:

[(1, 21545056), (2, 10772528), (4, 5386264), (8, 2693132), (13, 1657312), (16, 1346566), (26, 828656), (32, 673283), (52, 414328), (67, 321568), (104, 207164), (134, 160784), (208, 103582), (268, 80392), (416, 51791), (536, 40196), (773, 27872), (871, 24736), (1072, 20098), (1546, 13936), (1742, 12368), (2144, 10049), (3092, 6968), (3484, 6184)]