21101100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{1901}}^1$

素因数の和:1955

約数の個数: 72

約数和(自身を含む): 62735568

約数和(自身を除く): 41634468

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 37, 50, 60, 74, 75, 100, 111, 148, 150, 185, 222, 300, 370, 444, 555, 740, 925, 1110, 1850, 1901, 2220, 2775, 3700, 3802, 5550, 5703, 7604, 9505, 11100, 11406, 19010, 22812, 28515, 38020, 47525, 57030, 70337, 95050, 114060, 140674, 142575, 190100, 211011, 281348, 285150, 351685, 422022, 570300, 703370, 844044, 1055055, 1406740, 1758425, 2110110, 3516850, 4220220, 5275275, 7033700, 10550550, 21101100]

約数ペア:

[(1, 21101100), (2, 10550550), (3, 7033700), (4, 5275275), (5, 4220220), (6, 3516850), (10, 2110110), (12, 1758425), (15, 1406740), (20, 1055055), (25, 844044), (30, 703370), (37, 570300), (50, 422022), (60, 351685), (74, 285150), (75, 281348), (100, 211011), (111, 190100), (148, 142575), (150, 140674), (185, 114060), (222, 95050), (300, 70337), (370, 57030), (444, 47525), (555, 38020), (740, 28515), (925, 22812), (1110, 19010), (1850, 11406), (1901, 11100), (2220, 9505), (2775, 7604), (3700, 5703), (3802, 5550)]