21560064

素因数分解:

$2^8\times 3^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:505

約数の個数: 72

約数和(自身を含む): 58376640

約数和(自身を除く): 36816576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 67, 96, 128, 134, 192, 201, 256, 268, 384, 402, 419, 536, 768, 804, 838, 1072, 1257, 1608, 1676, 2144, 2514, 3216, 3352, 4288, 5028, 6432, 6704, 8576, 10056, 12864, 13408, 17152, 20112, 25728, 26816, 28073, 40224, 51456, 53632, 56146, 80448, 84219, 107264, 112292, 160896, 168438, 224584, 321792, 336876, 449168, 673752, 898336, 1347504, 1796672, 2695008, 3593344, 5390016, 7186688, 10780032, 21560064]

約数ペア:

[(1, 21560064), (2, 10780032), (3, 7186688), (4, 5390016), (6, 3593344), (8, 2695008), (12, 1796672), (16, 1347504), (24, 898336), (32, 673752), (48, 449168), (64, 336876), (67, 321792), (96, 224584), (128, 168438), (134, 160896), (192, 112292), (201, 107264), (256, 84219), (268, 80448), (384, 56146), (402, 53632), (419, 51456), (536, 40224), (768, 28073), (804, 26816), (838, 25728), (1072, 20112), (1257, 17152), (1608, 13408), (1676, 12864), (2144, 10056), (2514, 8576), (3216, 6704), (3352, 6432), (4288, 5028)]