21571570395

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{5659}}^1$

素因数の和:5849

約数の個数: 96

約数和(自身を含む): 40686796800

約数和(自身を除く): 19115226405

約数列:

[1, 3, 5, 9, 15, 23, 29, 45, 69, 87, 115, 127, 145, 207, 261, 345, 381, 435, 635, 667, 1035, 1143, 1305, 1905, 2001, 2921, 3335, 3683, 5659, 5715, 6003, 8763, 10005, 11049, 14605, 16977, 18415, 26289, 28295, 30015, 33147, 43815, 50931, 55245, 84709, 84885, 130157, 131445, 164111, 165735, 254127, 254655, 390471, 423545, 492333, 650785, 718693, 762381, 820555, 1171413, 1270635, 1476999, 1952355, 2156079, 2461665, 3593465, 3774553, 3811905, 5857065, 6468237, 7384995, 10780395, 11323659, 16529939, 18872765, 20842097, 32341185, 33970977, 49589817, 56618295, 62526291, 82649695, 104210485, 148769451, 169854885, 187578873, 247949085, 312631455, 479368231, 743847255, 937894365, 1438104693, 2396841155, 4314314079, 7190523465, 21571570395]

約数ペア:

[(1, 21571570395), (3, 7190523465), (5, 4314314079), (9, 2396841155), (15, 1438104693), (23, 937894365), (29, 743847255), (45, 479368231), (69, 312631455), (87, 247949085), (115, 187578873), (127, 169854885), (145, 148769451), (207, 104210485), (261, 82649695), (345, 62526291), (381, 56618295), (435, 49589817), (635, 33970977), (667, 32341185), (1035, 20842097), (1143, 18872765), (1305, 16529939), (1905, 11323659), (2001, 10780395), (2921, 7384995), (3335, 6468237), (3683, 5857065), (5659, 3811905), (5715, 3774553), (6003, 3593465), (8763, 2461665), (10005, 2156079), (11049, 1952355), (14605, 1476999), (16977, 1270635), (18415, 1171413), (26289, 820555), (28295, 762381), (30015, 718693), (33147, 650785), (43815, 492333), (50931, 423545), (55245, 390471), (84709, 254655), (84885, 254127), (130157, 165735), (131445, 164111)]