21756554888

素因数分解:

$2^3\times {\mathrm{419}}^1\times {\mathrm{2441}}^1\times {\mathrm{2659}}^1$

素因数の和:5525

約数の個数: 32

約数和(自身を含む): 40923036000

約数和(自身を除く): 19166481112

約数列:

[1, 2, 4, 8, 419, 838, 1676, 2441, 2659, 3352, 4882, 5318, 9764, 10636, 19528, 21272, 1022779, 1114121, 2045558, 2228242, 4091116, 4456484, 6490619, 8182232, 8912968, 12981238, 25962476, 51924952, 2719569361, 5439138722, 10878277444, 21756554888]

約数ペア:

[(1, 21756554888), (2, 10878277444), (4, 5439138722), (8, 2719569361), (419, 51924952), (838, 25962476), (1676, 12981238), (2441, 8912968), (2659, 8182232), (3352, 6490619), (4882, 4456484), (5318, 4091116), (9764, 2228242), (10636, 2045558), (19528, 1114121), (21272, 1022779)]