21403804916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1699}}^1\times {\mathrm{14251}}^1$

素因数の和:15984

約数の個数: 48

約数和(自身を含む): 42738897600

約数和(自身を除く): 21335092684

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 1699, 3398, 6796, 14251, 22087, 28502, 28883, 44174, 57004, 57766, 88348, 115532, 185263, 242267, 370526, 375479, 484534, 741052, 750958, 969068, 1501916, 3149471, 6298942, 12597884, 24212449, 48424898, 96849796, 314761837, 411611633, 629523674, 823223266, 1259047348, 1646446532, 5350951229, 10701902458, 21403804916]

約数ペア:

[(1, 21403804916), (2, 10701902458), (4, 5350951229), (13, 1646446532), (17, 1259047348), (26, 823223266), (34, 629523674), (52, 411611633), (68, 314761837), (221, 96849796), (442, 48424898), (884, 24212449), (1699, 12597884), (3398, 6298942), (6796, 3149471), (14251, 1501916), (22087, 969068), (28502, 750958), (28883, 741052), (44174, 484534), (57004, 375479), (57766, 370526), (88348, 242267), (115532, 185263)]