21000458660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4951}}^1\times {\mathrm{9221}}^1$

素因数の和:14204

約数の個数: 48

約数和(自身を含む): 46032682752

約数和(自身を除く): 25032224092

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 4951, 9221, 9902, 18442, 19804, 24755, 36884, 46105, 49510, 92210, 99020, 113873, 184420, 212083, 227746, 424166, 455492, 569365, 848332, 1060415, 1138730, 2120830, 2277460, 4241660, 45653171, 91306342, 182612684, 228265855, 456531710, 913063420, 1050022933, 2100045866, 4200091732, 5250114665, 10500229330, 21000458660]

約数ペア:

[(1, 21000458660), (2, 10500229330), (4, 5250114665), (5, 4200091732), (10, 2100045866), (20, 1050022933), (23, 913063420), (46, 456531710), (92, 228265855), (115, 182612684), (230, 91306342), (460, 45653171), (4951, 4241660), (9221, 2277460), (9902, 2120830), (18442, 1138730), (19804, 1060415), (24755, 848332), (36884, 569365), (46105, 455492), (49510, 424166), (92210, 227746), (99020, 212083), (113873, 184420)]