21716200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9871}}^1$

素因数の和:9898

約数の個数: 48

約数和(自身を含む): 55085760

約数和(自身を除く): 33369560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9871, 19742, 39484, 49355, 78968, 98710, 108581, 197420, 217162, 246775, 394840, 434324, 493550, 542905, 868648, 987100, 1085810, 1974200, 2171620, 2714525, 4343240, 5429050, 10858100, 21716200]

約数ペア:

[(1, 21716200), (2, 10858100), (4, 5429050), (5, 4343240), (8, 2714525), (10, 2171620), (11, 1974200), (20, 1085810), (22, 987100), (25, 868648), (40, 542905), (44, 493550), (50, 434324), (55, 394840), (88, 246775), (100, 217162), (110, 197420), (200, 108581), (220, 98710), (275, 78968), (440, 49355), (550, 39484), (1100, 19742), (2200, 9871)]