21554316

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{4073}}^1$

素因数の和:4100

約数の個数: 72

約数和(自身を含む): 65021040

約数和(自身を除く): 43466724

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 4073, 5292, 8146, 12219, 16292, 24438, 28511, 36657, 48876, 57022, 73314, 85533, 109971, 114044, 146628, 171066, 199577, 219942, 256599, 342132, 399154, 439884, 513198, 598731, 769797, 798308, 1026396, 1197462, 1539594, 1796193, 2394924, 3079188, 3592386, 5388579, 7184772, 10777158, 21554316]

約数ペア:

[(1, 21554316), (2, 10777158), (3, 7184772), (4, 5388579), (6, 3592386), (7, 3079188), (9, 2394924), (12, 1796193), (14, 1539594), (18, 1197462), (21, 1026396), (27, 798308), (28, 769797), (36, 598731), (42, 513198), (49, 439884), (54, 399154), (63, 342132), (84, 256599), (98, 219942), (108, 199577), (126, 171066), (147, 146628), (189, 114044), (196, 109971), (252, 85533), (294, 73314), (378, 57022), (441, 48876), (588, 36657), (756, 28511), (882, 24438), (1323, 16292), (1764, 12219), (2646, 8146), (4073, 5292)]