21047610

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7883}}^1$

素因数の和:7982

約数の個数: 32

約数和(自身を含む): 51088320

約数和(自身を除く): 30040710

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 1335, 2670, 7883, 15766, 23649, 39415, 47298, 78830, 118245, 236490, 701587, 1403174, 2104761, 3507935, 4209522, 7015870, 10523805, 21047610]

約数ペア:

[(1, 21047610), (2, 10523805), (3, 7015870), (5, 4209522), (6, 3507935), (10, 2104761), (15, 1403174), (30, 701587), (89, 236490), (178, 118245), (267, 78830), (445, 47298), (534, 39415), (890, 23649), (1335, 15766), (2670, 7883)]