21748428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{46471}}^1$

素因数の和:46494

約数の個数: 36

約数和(自身を含む): 59205328

約数和(自身を除く): 37456900

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 46471, 92942, 139413, 185884, 278826, 418239, 557652, 604123, 836478, 1208246, 1672956, 1812369, 2416492, 3624738, 5437107, 7249476, 10874214, 21748428]

約数ペア:

[(1, 21748428), (2, 10874214), (3, 7249476), (4, 5437107), (6, 3624738), (9, 2416492), (12, 1812369), (13, 1672956), (18, 1208246), (26, 836478), (36, 604123), (39, 557652), (52, 418239), (78, 278826), (117, 185884), (156, 139413), (234, 92942), (468, 46471)]