21002928

素因数分解:

$2^4\times 3^1\times {\mathrm{569}}^1\times {\mathrm{769}}^1$

素因数の和:1349

約数の個数: 40

約数和(自身を含む): 54423600

約数和(自身を除く): 33420672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 569, 769, 1138, 1538, 1707, 2276, 2307, 3076, 3414, 4552, 4614, 6152, 6828, 9104, 9228, 12304, 13656, 18456, 27312, 36912, 437561, 875122, 1312683, 1750244, 2625366, 3500488, 5250732, 7000976, 10501464, 21002928]

約数ペア:

[(1, 21002928), (2, 10501464), (3, 7000976), (4, 5250732), (6, 3500488), (8, 2625366), (12, 1750244), (16, 1312683), (24, 875122), (48, 437561), (569, 36912), (769, 27312), (1138, 18456), (1538, 13656), (1707, 12304), (2276, 9228), (2307, 9104), (3076, 6828), (3414, 6152), (4552, 4614)]