21505236483

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{461}}^1\times {\mathrm{1511}}^1$

素因数の和:2267

約数の個数: 32

約数和(自身を含む): 29573558784

約数和(自身を除く): 8068322301

約数列:

[1, 3, 41, 123, 251, 461, 753, 1383, 1511, 4533, 10291, 18901, 30873, 56703, 61951, 115711, 185853, 347133, 379261, 696571, 1137783, 2089713, 4744151, 14232453, 15549701, 28559411, 46649103, 85678233, 174839321, 524517963, 7168412161, 21505236483]

約数ペア:

[(1, 21505236483), (3, 7168412161), (41, 524517963), (123, 174839321), (251, 85678233), (461, 46649103), (753, 28559411), (1383, 15549701), (1511, 14232453), (4533, 4744151), (10291, 2089713), (18901, 1137783), (30873, 696571), (56703, 379261), (61951, 347133), (115711, 185853)]