21575632

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2207}}^1$

素因数の和:2275

約数の個数: 40

約数和(自身を含む): 45997056

約数和(自身を除く): 24421424

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2207, 2444, 4414, 4888, 8828, 9776, 17656, 28691, 35312, 57382, 103729, 114764, 207458, 229528, 414916, 459056, 829832, 1348477, 1659664, 2696954, 5393908, 10787816, 21575632]

約数ペア:

[(1, 21575632), (2, 10787816), (4, 5393908), (8, 2696954), (13, 1659664), (16, 1348477), (26, 829832), (47, 459056), (52, 414916), (94, 229528), (104, 207458), (188, 114764), (208, 103729), (376, 57382), (611, 35312), (752, 28691), (1222, 17656), (2207, 9776), (2444, 8828), (4414, 4888)]