21754592

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 44416512

約数和(自身を除く): 22661920

約数列:

[1, 2, 4, 8, 16, 32, 53, 101, 106, 127, 202, 212, 254, 404, 424, 508, 808, 848, 1016, 1616, 1696, 2032, 3232, 4064, 5353, 6731, 10706, 12827, 13462, 21412, 25654, 26924, 42824, 51308, 53848, 85648, 102616, 107696, 171296, 205232, 215392, 410464, 679831, 1359662, 2719324, 5438648, 10877296, 21754592]

約数ペア:

[(1, 21754592), (2, 10877296), (4, 5438648), (8, 2719324), (16, 1359662), (32, 679831), (53, 410464), (101, 215392), (106, 205232), (127, 171296), (202, 107696), (212, 102616), (254, 85648), (404, 53848), (424, 51308), (508, 42824), (808, 26924), (848, 25654), (1016, 21412), (1616, 13462), (1696, 12827), (2032, 10706), (3232, 6731), (4064, 5353)]