21563352

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9661}}^1$

素因数の和:9704

約数の個数: 48

約数和(自身を含む): 60290880

約数和(自身を除く): 38727528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 9661, 19322, 28983, 38644, 57966, 77288, 86949, 115932, 173898, 231864, 299491, 347796, 598982, 695592, 898473, 1197964, 1796946, 2395928, 2695419, 3593892, 5390838, 7187784, 10781676, 21563352]

約数ペア:

[(1, 21563352), (2, 10781676), (3, 7187784), (4, 5390838), (6, 3593892), (8, 2695419), (9, 2395928), (12, 1796946), (18, 1197964), (24, 898473), (31, 695592), (36, 598982), (62, 347796), (72, 299491), (93, 231864), (124, 173898), (186, 115932), (248, 86949), (279, 77288), (372, 57966), (558, 38644), (744, 28983), (1116, 19322), (2232, 9661)]