21700741460

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1\times {\mathrm{617}}^1$

素因数の和:1041

約数の個数: 96

約数和(自身を含む): 46964994048

約数和(自身を除く): 25264252588

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 127, 227, 244, 254, 305, 454, 508, 610, 617, 635, 908, 1135, 1220, 1234, 1270, 2270, 2468, 2540, 3085, 4540, 6170, 7747, 12340, 13847, 15494, 27694, 28829, 30988, 37637, 38735, 55388, 57658, 69235, 75274, 77470, 78359, 115316, 138470, 140059, 144145, 150548, 154940, 156718, 188185, 276940, 280118, 288290, 313436, 376370, 391795, 560236, 576580, 700295, 752740, 783590, 1400590, 1567180, 1758569, 2801180, 3517138, 4779899, 7034276, 8543599, 8792845, 9559798, 17087198, 17585690, 17787493, 19119596, 23899495, 34174396, 35171380, 35574986, 42717995, 47798990, 71149972, 85435990, 88937465, 95597980, 170871980, 177874930, 355749860, 1085037073, 2170074146, 4340148292, 5425185365, 10850370730, 21700741460]

約数ペア:

[(1, 21700741460), (2, 10850370730), (4, 5425185365), (5, 4340148292), (10, 2170074146), (20, 1085037073), (61, 355749860), (122, 177874930), (127, 170871980), (227, 95597980), (244, 88937465), (254, 85435990), (305, 71149972), (454, 47798990), (508, 42717995), (610, 35574986), (617, 35171380), (635, 34174396), (908, 23899495), (1135, 19119596), (1220, 17787493), (1234, 17585690), (1270, 17087198), (2270, 9559798), (2468, 8792845), (2540, 8543599), (3085, 7034276), (4540, 4779899), (6170, 3517138), (7747, 2801180), (12340, 1758569), (13847, 1567180), (15494, 1400590), (27694, 783590), (28829, 752740), (30988, 700295), (37637, 576580), (38735, 560236), (55388, 391795), (57658, 376370), (69235, 313436), (75274, 288290), (77470, 280118), (78359, 276940), (115316, 188185), (138470, 156718), (140059, 154940), (144145, 150548)]