21756528

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{6569}}^1$

素因数の和:6606

約数の個数: 60

約数和(自身を含む): 63545040

約数和(自身を除く): 41788512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 552, 828, 1104, 1656, 3312, 6569, 13138, 19707, 26276, 39414, 52552, 59121, 78828, 105104, 118242, 151087, 157656, 236484, 302174, 315312, 453261, 472968, 604348, 906522, 945936, 1208696, 1359783, 1813044, 2417392, 2719566, 3626088, 5439132, 7252176, 10878264, 21756528]

約数ペア:

[(1, 21756528), (2, 10878264), (3, 7252176), (4, 5439132), (6, 3626088), (8, 2719566), (9, 2417392), (12, 1813044), (16, 1359783), (18, 1208696), (23, 945936), (24, 906522), (36, 604348), (46, 472968), (48, 453261), (69, 315312), (72, 302174), (92, 236484), (138, 157656), (144, 151087), (184, 118242), (207, 105104), (276, 78828), (368, 59121), (414, 52552), (552, 39414), (828, 26276), (1104, 19707), (1656, 13138), (3312, 6569)]