21368100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{5479}}^1$

素因数の和:5509

約数の個数: 72

約数和(自身を含む): 66592960

約数和(自身を除く): 45224860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 5479, 10958, 16437, 21916, 27395, 32874, 54790, 65748, 71227, 82185, 109580, 136975, 142454, 164370, 213681, 273950, 284908, 328740, 356135, 410925, 427362, 547900, 712270, 821850, 854724, 1068405, 1424540, 1643700, 1780675, 2136810, 3561350, 4273620, 5342025, 7122700, 10684050, 21368100]

約数ペア:

[(1, 21368100), (2, 10684050), (3, 7122700), (4, 5342025), (5, 4273620), (6, 3561350), (10, 2136810), (12, 1780675), (13, 1643700), (15, 1424540), (20, 1068405), (25, 854724), (26, 821850), (30, 712270), (39, 547900), (50, 427362), (52, 410925), (60, 356135), (65, 328740), (75, 284908), (78, 273950), (100, 213681), (130, 164370), (150, 142454), (156, 136975), (195, 109580), (260, 82185), (300, 71227), (325, 65748), (390, 54790), (650, 32874), (780, 27395), (975, 21916), (1300, 16437), (1950, 10958), (3900, 5479)]