21452064

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^2\times {\mathrm{619}}^1$

素因数の和:670

約数の個数: 72

約数和(自身を含む): 59527440

約数和(自身を除く): 38075376

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 76, 96, 114, 152, 228, 304, 361, 456, 608, 619, 722, 912, 1083, 1238, 1444, 1824, 1857, 2166, 2476, 2888, 3714, 4332, 4952, 5776, 7428, 8664, 9904, 11552, 11761, 14856, 17328, 19808, 23522, 29712, 34656, 35283, 47044, 59424, 70566, 94088, 141132, 188176, 223459, 282264, 376352, 446918, 564528, 670377, 893836, 1129056, 1340754, 1787672, 2681508, 3575344, 5363016, 7150688, 10726032, 21452064]

約数ペア:

[(1, 21452064), (2, 10726032), (3, 7150688), (4, 5363016), (6, 3575344), (8, 2681508), (12, 1787672), (16, 1340754), (19, 1129056), (24, 893836), (32, 670377), (38, 564528), (48, 446918), (57, 376352), (76, 282264), (96, 223459), (114, 188176), (152, 141132), (228, 94088), (304, 70566), (361, 59424), (456, 47044), (608, 35283), (619, 34656), (722, 29712), (912, 23522), (1083, 19808), (1238, 17328), (1444, 14856), (1824, 11761), (1857, 11552), (2166, 9904), (2476, 8664), (2888, 7428), (3714, 5776), (4332, 4952)]