21896700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{10427}}^1$

素因数の和:10451

約数の個数: 72

約数和(自身を含む): 72412032

約数和(自身を除く): 50515332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 10427, 20854, 31281, 41708, 52135, 62562, 72989, 104270, 125124, 145978, 156405, 208540, 218967, 260675, 291956, 312810, 364945, 437934, 521350, 625620, 729890, 782025, 875868, 1042700, 1094835, 1459780, 1564050, 1824725, 2189670, 3128100, 3649450, 4379340, 5474175, 7298900, 10948350, 21896700]

約数ペア:

[(1, 21896700), (2, 10948350), (3, 7298900), (4, 5474175), (5, 4379340), (6, 3649450), (7, 3128100), (10, 2189670), (12, 1824725), (14, 1564050), (15, 1459780), (20, 1094835), (21, 1042700), (25, 875868), (28, 782025), (30, 729890), (35, 625620), (42, 521350), (50, 437934), (60, 364945), (70, 312810), (75, 291956), (84, 260675), (100, 218967), (105, 208540), (140, 156405), (150, 145978), (175, 125124), (210, 104270), (300, 72989), (350, 62562), (420, 52135), (525, 41708), (700, 31281), (1050, 20854), (2100, 10427)]