21223188

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:506

約数の個数: 96

約数和(自身を含む): 63974400

約数和(自身を除く): 42751212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 67, 84, 108, 126, 134, 189, 201, 252, 268, 378, 402, 419, 469, 603, 756, 804, 838, 938, 1206, 1257, 1407, 1676, 1809, 1876, 2412, 2514, 2814, 2933, 3618, 3771, 4221, 5028, 5628, 5866, 7236, 7542, 8442, 8799, 11313, 11732, 12663, 15084, 16884, 17598, 22626, 25326, 26397, 28073, 35196, 45252, 50652, 52794, 56146, 79191, 84219, 105588, 112292, 158382, 168438, 196511, 252657, 316764, 336876, 393022, 505314, 589533, 757971, 786044, 1010628, 1179066, 1515942, 1768599, 2358132, 3031884, 3537198, 5305797, 7074396, 10611594, 21223188]

約数ペア:

[(1, 21223188), (2, 10611594), (3, 7074396), (4, 5305797), (6, 3537198), (7, 3031884), (9, 2358132), (12, 1768599), (14, 1515942), (18, 1179066), (21, 1010628), (27, 786044), (28, 757971), (36, 589533), (42, 505314), (54, 393022), (63, 336876), (67, 316764), (84, 252657), (108, 196511), (126, 168438), (134, 158382), (189, 112292), (201, 105588), (252, 84219), (268, 79191), (378, 56146), (402, 52794), (419, 50652), (469, 45252), (603, 35196), (756, 28073), (804, 26397), (838, 25326), (938, 22626), (1206, 17598), (1257, 16884), (1407, 15084), (1676, 12663), (1809, 11732), (1876, 11313), (2412, 8799), (2514, 8442), (2814, 7542), (2933, 7236), (3618, 5866), (3771, 5628), (4221, 5028)]