21671046

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{547}}^1$

素因数の和:657

約数の個数: 48

約数和(自身を含む): 49241088

約数和(自身を除く): 27570042

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 71, 93, 142, 186, 213, 279, 426, 547, 558, 639, 1094, 1278, 1641, 2201, 3282, 4402, 4923, 6603, 9846, 13206, 16957, 19809, 33914, 38837, 39618, 50871, 77674, 101742, 116511, 152613, 233022, 305226, 349533, 699066, 1203947, 2407894, 3611841, 7223682, 10835523, 21671046]

約数ペア:

[(1, 21671046), (2, 10835523), (3, 7223682), (6, 3611841), (9, 2407894), (18, 1203947), (31, 699066), (62, 349533), (71, 305226), (93, 233022), (142, 152613), (186, 116511), (213, 101742), (279, 77674), (426, 50871), (547, 39618), (558, 38837), (639, 33914), (1094, 19809), (1278, 16957), (1641, 13206), (2201, 9846), (3282, 6603), (4402, 4923)]