21210448316

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{991}}^1\times {\mathrm{1019}}^1$

素因数の和:2162

約数の個数: 48

約数和(自身を含む): 38247552000

約数和(自身を除く): 17037103684

約数列:

[1, 2, 4, 59, 89, 118, 178, 236, 356, 991, 1019, 1982, 2038, 3964, 4076, 5251, 10502, 21004, 58469, 60121, 88199, 90691, 116938, 120242, 176398, 181382, 233876, 240484, 352796, 362764, 1009829, 2019658, 4039316, 5203741, 5350769, 10407482, 10701538, 20814964, 21403076, 59579911, 89874781, 119159822, 179749562, 238319644, 359499124, 5302612079, 10605224158, 21210448316]

約数ペア:

[(1, 21210448316), (2, 10605224158), (4, 5302612079), (59, 359499124), (89, 238319644), (118, 179749562), (178, 119159822), (236, 89874781), (356, 59579911), (991, 21403076), (1019, 20814964), (1982, 10701538), (2038, 10407482), (3964, 5350769), (4076, 5203741), (5251, 4039316), (10502, 2019658), (21004, 1009829), (58469, 362764), (60121, 352796), (88199, 240484), (90691, 233876), (116938, 181382), (120242, 176398)]