21293208

素因数分解:

$2^3\times 3^2\times {\mathrm{433}}^1\times {\mathrm{683}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 57886920

約数和(自身を除く): 36593712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 433, 683, 866, 1299, 1366, 1732, 2049, 2598, 2732, 3464, 3897, 4098, 5196, 5464, 6147, 7794, 8196, 10392, 12294, 15588, 16392, 24588, 31176, 49176, 295739, 591478, 887217, 1182956, 1774434, 2365912, 2661651, 3548868, 5323302, 7097736, 10646604, 21293208]

約数ペア:

[(1, 21293208), (2, 10646604), (3, 7097736), (4, 5323302), (6, 3548868), (8, 2661651), (9, 2365912), (12, 1774434), (18, 1182956), (24, 887217), (36, 591478), (72, 295739), (433, 49176), (683, 31176), (866, 24588), (1299, 16392), (1366, 15588), (1732, 12294), (2049, 10392), (2598, 8196), (2732, 7794), (3464, 6147), (3897, 5464), (4098, 5196)]