21748968

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{6427}}^1$

素因数の和:6486

約数の個数: 48

約数和(自身を含む): 60166080

約数和(自身を除く): 38417112

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 188, 282, 376, 423, 564, 846, 1128, 1692, 3384, 6427, 12854, 19281, 25708, 38562, 51416, 57843, 77124, 115686, 154248, 231372, 302069, 462744, 604138, 906207, 1208276, 1812414, 2416552, 2718621, 3624828, 5437242, 7249656, 10874484, 21748968]

約数ペア:

[(1, 21748968), (2, 10874484), (3, 7249656), (4, 5437242), (6, 3624828), (8, 2718621), (9, 2416552), (12, 1812414), (18, 1208276), (24, 906207), (36, 604138), (47, 462744), (72, 302069), (94, 231372), (141, 154248), (188, 115686), (282, 77124), (376, 57843), (423, 51416), (564, 38562), (846, 25708), (1128, 19281), (1692, 12854), (3384, 6427)]