21049992

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9431}}^1$

素因数の和:9474

約数の個数: 48

約数和(自身を含む): 58855680

約数和(自身を除く): 37805688

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, 9431, 18862, 28293, 37724, 56586, 75448, 84879, 113172, 169758, 226344, 292361, 339516, 584722, 679032, 877083, 1169444, 1754166, 2338888, 2631249, 3508332, 5262498, 7016664, 10524996, 21049992]

約数ペア:

[(1, 21049992), (2, 10524996), (3, 7016664), (4, 5262498), (6, 3508332), (8, 2631249), (9, 2338888), (12, 1754166), (18, 1169444), (24, 877083), (31, 679032), (36, 584722), (62, 339516), (72, 292361), (93, 226344), (124, 169758), (186, 113172), (248, 84879), (279, 75448), (372, 56586), (558, 37724), (744, 28293), (1116, 18862), (2232, 9431)]