21630856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9043}}^1$

素因数の和:9085

約数の個数: 32

約数和(自身を含む): 45581760

約数和(自身を除く): 23950904

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 9043, 18086, 36172, 72344, 117559, 207989, 235118, 415978, 470236, 831956, 940472, 1663912, 2703857, 5407714, 10815428, 21630856]

約数ペア:

[(1, 21630856), (2, 10815428), (4, 5407714), (8, 2703857), (13, 1663912), (23, 940472), (26, 831956), (46, 470236), (52, 415978), (92, 235118), (104, 207989), (184, 117559), (299, 72344), (598, 36172), (1196, 18086), (2392, 9043)]