21523440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{89681}}^1$

素因数の和:89697

約数の個数: 40

約数和(自身を含む): 66723408

約数和(自身を除く): 45199968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 89681, 179362, 269043, 358724, 448405, 538086, 717448, 896810, 1076172, 1345215, 1434896, 1793620, 2152344, 2690430, 3587240, 4304688, 5380860, 7174480, 10761720, 21523440]

約数ペア:

[(1, 21523440), (2, 10761720), (3, 7174480), (4, 5380860), (5, 4304688), (6, 3587240), (8, 2690430), (10, 2152344), (12, 1793620), (15, 1434896), (16, 1345215), (20, 1076172), (24, 896810), (30, 717448), (40, 538086), (48, 448405), (60, 358724), (80, 269043), (120, 179362), (240, 89681)]