21151056

素因数分解:

$2^4\times 3^1\times {\mathrm{83}}^1\times {\mathrm{5309}}^1$

素因数の和:5403

約数の個数: 40

約数和(自身を含む): 55308960

約数和(自身を除く): 34157904

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 83, 166, 249, 332, 498, 664, 996, 1328, 1992, 3984, 5309, 10618, 15927, 21236, 31854, 42472, 63708, 84944, 127416, 254832, 440647, 881294, 1321941, 1762588, 2643882, 3525176, 5287764, 7050352, 10575528, 21151056]

約数ペア:

[(1, 21151056), (2, 10575528), (3, 7050352), (4, 5287764), (6, 3525176), (8, 2643882), (12, 1762588), (16, 1321941), (24, 881294), (48, 440647), (83, 254832), (166, 127416), (249, 84944), (332, 63708), (498, 42472), (664, 31854), (996, 21236), (1328, 15927), (1992, 10618), (3984, 5309)]