21522928

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6199}}^1$

素因数の和:6245

約数の個数: 40

約数和(自身を含む): 49203200

約数和(自身を除く): 27680272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 6199, 12398, 24796, 43393, 49592, 86786, 99184, 173572, 192169, 347144, 384338, 694288, 768676, 1345183, 1537352, 2690366, 3074704, 5380732, 10761464, 21522928]

約数ペア:

[(1, 21522928), (2, 10761464), (4, 5380732), (7, 3074704), (8, 2690366), (14, 1537352), (16, 1345183), (28, 768676), (31, 694288), (56, 384338), (62, 347144), (112, 192169), (124, 173572), (217, 99184), (248, 86786), (434, 49592), (496, 43393), (868, 24796), (1736, 12398), (3472, 6199)]