21807896

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13043}}^1$

素因数の和:13079

約数の個数: 32

約数和(自身を含む): 46958400

約数和(自身を除く): 25150504

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 13043, 26086, 52172, 104344, 143473, 247817, 286946, 495634, 573892, 991268, 1147784, 1982536, 2725987, 5451974, 10903948, 21807896]

約数ペア:

[(1, 21807896), (2, 10903948), (4, 5451974), (8, 2725987), (11, 1982536), (19, 1147784), (22, 991268), (38, 573892), (44, 495634), (76, 286946), (88, 247817), (152, 143473), (209, 104344), (418, 52172), (836, 26086), (1672, 13043)]