21084037442

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{521}}^1\times {\mathrm{1787}}^1$

素因数の和:2403

約数の個数: 48

約数和(自身を含む): 34843299552

約数和(自身を除く): 13759262110

約数列:

[1, 2, 13, 26, 67, 134, 169, 338, 521, 871, 1042, 1742, 1787, 3574, 6773, 11323, 13546, 22646, 23231, 34907, 46462, 69814, 88049, 119729, 176098, 239458, 302003, 453791, 604006, 907582, 931027, 1556477, 1862054, 3112954, 5899283, 11798566, 12103351, 20234201, 24206702, 40468402, 62378809, 124757618, 157343563, 314687126, 810924517, 1621849034, 10542018721, 21084037442]

約数ペア:

[(1, 21084037442), (2, 10542018721), (13, 1621849034), (26, 810924517), (67, 314687126), (134, 157343563), (169, 124757618), (338, 62378809), (521, 40468402), (871, 24206702), (1042, 20234201), (1742, 12103351), (1787, 11798566), (3574, 5899283), (6773, 3112954), (11323, 1862054), (13546, 1556477), (22646, 931027), (23231, 907582), (34907, 604006), (46462, 453791), (69814, 302003), (88049, 239458), (119729, 176098)]