21230147276

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{89671}}^1$

素因数の和:89874

約数の個数: 48

約数和(自身を含む): 41654437440

約数和(自身を除く): 20424290164

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 157, 314, 377, 628, 754, 1508, 2041, 4082, 4553, 8164, 9106, 18212, 59189, 89671, 118378, 179342, 236756, 358684, 1165723, 2331446, 2600459, 4662892, 5200918, 10401836, 14078347, 28156694, 33805967, 56313388, 67611934, 135223868, 183018511, 366037022, 408272063, 732074044, 816544126, 1633088252, 5307536819, 10615073638, 21230147276]

約数ペア:

[(1, 21230147276), (2, 10615073638), (4, 5307536819), (13, 1633088252), (26, 816544126), (29, 732074044), (52, 408272063), (58, 366037022), (116, 183018511), (157, 135223868), (314, 67611934), (377, 56313388), (628, 33805967), (754, 28156694), (1508, 14078347), (2041, 10401836), (4082, 5200918), (4553, 4662892), (8164, 2600459), (9106, 2331446), (18212, 1165723), (59189, 358684), (89671, 236756), (118378, 179342)]