21798846

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{461}}^1$

素因数の和:577

約数の個数: 48

約数和(自身を含む): 49297248

約数和(自身を除く): 27498402

約数列:

[1, 2, 3, 6, 9, 18, 37, 71, 74, 111, 142, 213, 222, 333, 426, 461, 639, 666, 922, 1278, 1383, 2627, 2766, 4149, 5254, 7881, 8298, 15762, 17057, 23643, 32731, 34114, 47286, 51171, 65462, 98193, 102342, 153513, 196386, 294579, 307026, 589158, 1211047, 2422094, 3633141, 7266282, 10899423, 21798846]

約数ペア:

[(1, 21798846), (2, 10899423), (3, 7266282), (6, 3633141), (9, 2422094), (18, 1211047), (37, 589158), (71, 307026), (74, 294579), (111, 196386), (142, 153513), (213, 102342), (222, 98193), (333, 65462), (426, 51171), (461, 47286), (639, 34114), (666, 32731), (922, 23643), (1278, 17057), (1383, 15762), (2627, 8298), (2766, 7881), (4149, 5254)]