21174560

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:306

約数の個数: 96

約数和(自身を含む): 55847232

約数和(自身を除く): 34672672

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 80, 88, 106, 110, 160, 176, 212, 220, 227, 265, 352, 424, 440, 454, 530, 583, 848, 880, 908, 1060, 1135, 1166, 1696, 1760, 1816, 2120, 2270, 2332, 2497, 2915, 3632, 4240, 4540, 4664, 4994, 5830, 7264, 8480, 9080, 9328, 9988, 11660, 12031, 12485, 18160, 18656, 19976, 23320, 24062, 24970, 36320, 39952, 46640, 48124, 49940, 60155, 79904, 93280, 96248, 99880, 120310, 132341, 192496, 199760, 240620, 264682, 384992, 399520, 481240, 529364, 661705, 962480, 1058728, 1323410, 1924960, 2117456, 2646820, 4234912, 5293640, 10587280, 21174560]

約数ペア:

[(1, 21174560), (2, 10587280), (4, 5293640), (5, 4234912), (8, 2646820), (10, 2117456), (11, 1924960), (16, 1323410), (20, 1058728), (22, 962480), (32, 661705), (40, 529364), (44, 481240), (53, 399520), (55, 384992), (80, 264682), (88, 240620), (106, 199760), (110, 192496), (160, 132341), (176, 120310), (212, 99880), (220, 96248), (227, 93280), (265, 79904), (352, 60155), (424, 49940), (440, 48124), (454, 46640), (530, 39952), (583, 36320), (848, 24970), (880, 24062), (908, 23320), (1060, 19976), (1135, 18656), (1166, 18160), (1696, 12485), (1760, 12031), (1816, 11660), (2120, 9988), (2270, 9328), (2332, 9080), (2497, 8480), (2915, 7264), (3632, 5830), (4240, 4994), (4540, 4664)]