21167265868

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3331}}^1\times {\mathrm{7321}}^1$

素因数の和:10694

約数の個数: 48

約数和(自身を含む): 43719251968

約数和(自身を除く): 22551986100

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 3331, 6662, 7321, 13324, 14642, 23317, 29284, 46634, 51247, 93268, 102494, 103261, 204988, 206522, 226951, 413044, 453902, 722827, 907804, 1445654, 1588657, 2891308, 3177314, 6354628, 24386251, 48772502, 97545004, 170703757, 341407514, 682815028, 755973781, 1511947562, 3023895124, 5291816467, 10583632934, 21167265868]

約数ペア:

[(1, 21167265868), (2, 10583632934), (4, 5291816467), (7, 3023895124), (14, 1511947562), (28, 755973781), (31, 682815028), (62, 341407514), (124, 170703757), (217, 97545004), (434, 48772502), (868, 24386251), (3331, 6354628), (6662, 3177314), (7321, 2891308), (13324, 1588657), (14642, 1445654), (23317, 907804), (29284, 722827), (46634, 453902), (51247, 413044), (93268, 226951), (102494, 206522), (103261, 204988)]