21400872

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{13309}}^1$

素因数の和:13385

約数の個数: 32

約数和(自身を含む): 54304800

約数和(自身を除く): 32903928

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 201, 268, 402, 536, 804, 1608, 13309, 26618, 39927, 53236, 79854, 106472, 159708, 319416, 891703, 1783406, 2675109, 3566812, 5350218, 7133624, 10700436, 21400872]

約数ペア:

[(1, 21400872), (2, 10700436), (3, 7133624), (4, 5350218), (6, 3566812), (8, 2675109), (12, 1783406), (24, 891703), (67, 319416), (134, 159708), (201, 106472), (268, 79854), (402, 53236), (536, 39927), (804, 26618), (1608, 13309)]