21525048

素因数分解:

$2^3\times 3^3\times {\mathrm{227}}^1\times {\mathrm{439}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 60192000

約数和(自身を除く): 38666952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 227, 439, 454, 681, 878, 908, 1317, 1362, 1756, 1816, 2043, 2634, 2724, 3512, 3951, 4086, 5268, 5448, 6129, 7902, 8172, 10536, 11853, 12258, 15804, 16344, 23706, 24516, 31608, 47412, 49032, 94824, 99653, 199306, 298959, 398612, 597918, 797224, 896877, 1195836, 1793754, 2391672, 2690631, 3587508, 5381262, 7175016, 10762524, 21525048]

約数ペア:

[(1, 21525048), (2, 10762524), (3, 7175016), (4, 5381262), (6, 3587508), (8, 2690631), (9, 2391672), (12, 1793754), (18, 1195836), (24, 896877), (27, 797224), (36, 597918), (54, 398612), (72, 298959), (108, 199306), (216, 99653), (227, 94824), (439, 49032), (454, 47412), (681, 31608), (878, 24516), (908, 23706), (1317, 16344), (1362, 15804), (1756, 12258), (1816, 11853), (2043, 10536), (2634, 8172), (2724, 7902), (3512, 6129), (3951, 5448), (4086, 5268)]