21488100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1747}}^1$

素因数の和:1805

約数の個数: 72

約数和(自身を含む): 63725088

約数和(自身を除く): 42236988

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 41, 50, 60, 75, 82, 100, 123, 150, 164, 205, 246, 300, 410, 492, 615, 820, 1025, 1230, 1747, 2050, 2460, 3075, 3494, 4100, 5241, 6150, 6988, 8735, 10482, 12300, 17470, 20964, 26205, 34940, 43675, 52410, 71627, 87350, 104820, 131025, 143254, 174700, 214881, 262050, 286508, 358135, 429762, 524100, 716270, 859524, 1074405, 1432540, 1790675, 2148810, 3581350, 4297620, 5372025, 7162700, 10744050, 21488100]

約数ペア:

[(1, 21488100), (2, 10744050), (3, 7162700), (4, 5372025), (5, 4297620), (6, 3581350), (10, 2148810), (12, 1790675), (15, 1432540), (20, 1074405), (25, 859524), (30, 716270), (41, 524100), (50, 429762), (60, 358135), (75, 286508), (82, 262050), (100, 214881), (123, 174700), (150, 143254), (164, 131025), (205, 104820), (246, 87350), (300, 71627), (410, 52410), (492, 43675), (615, 34940), (820, 26205), (1025, 20964), (1230, 17470), (1747, 12300), (2050, 10482), (2460, 8735), (3075, 6988), (3494, 6150), (4100, 5241)]