21086664

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{51683}}^1$

素因数の和:51709

約数の個数: 32

約数和(自身を含む): 55818720

約数和(自身を除く): 34732056

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 51683, 103366, 155049, 206732, 310098, 413464, 620196, 878611, 1240392, 1757222, 2635833, 3514444, 5271666, 7028888, 10543332, 21086664]

約数ペア:

[(1, 21086664), (2, 10543332), (3, 7028888), (4, 5271666), (6, 3514444), (8, 2635833), (12, 1757222), (17, 1240392), (24, 878611), (34, 620196), (51, 413464), (68, 310098), (102, 206732), (136, 155049), (204, 103366), (408, 51683)]