21301228796

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{373}}^1\times {\mathrm{409}}^1\times {\mathrm{521}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 38100696480

約数和(自身を除く): 16799467684

約数列:

[1, 2, 4, 67, 134, 268, 373, 409, 521, 746, 818, 1042, 1492, 1636, 2084, 24991, 27403, 34907, 49982, 54806, 69814, 99964, 109612, 139628, 152557, 194333, 213089, 305114, 388666, 426178, 610228, 777332, 852356, 10221319, 13020311, 14276963, 20442638, 26040622, 28553926, 40885276, 52081244, 57107852, 79482197, 158964394, 317928788, 5325307199, 10650614398, 21301228796]

約数ペア:

[(1, 21301228796), (2, 10650614398), (4, 5325307199), (67, 317928788), (134, 158964394), (268, 79482197), (373, 57107852), (409, 52081244), (521, 40885276), (746, 28553926), (818, 26040622), (1042, 20442638), (1492, 14276963), (1636, 13020311), (2084, 10221319), (24991, 852356), (27403, 777332), (34907, 610228), (49982, 426178), (54806, 388666), (69814, 305114), (99964, 213089), (109612, 194333), (139628, 152557)]