21137340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{853}}^1$

素因数の和:931

約数の個数: 96

約数和(自身を含む): 68866560

約数和(自身を除く): 47729220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 59, 60, 70, 84, 105, 118, 140, 177, 210, 236, 295, 354, 413, 420, 590, 708, 826, 853, 885, 1180, 1239, 1652, 1706, 1770, 2065, 2478, 2559, 3412, 3540, 4130, 4265, 4956, 5118, 5971, 6195, 8260, 8530, 10236, 11942, 12390, 12795, 17060, 17913, 23884, 24780, 25590, 29855, 35826, 50327, 51180, 59710, 71652, 89565, 100654, 119420, 150981, 179130, 201308, 251635, 301962, 352289, 358260, 503270, 603924, 704578, 754905, 1006540, 1056867, 1409156, 1509810, 1761445, 2113734, 3019620, 3522890, 4227468, 5284335, 7045780, 10568670, 21137340]

約数ペア:

[(1, 21137340), (2, 10568670), (3, 7045780), (4, 5284335), (5, 4227468), (6, 3522890), (7, 3019620), (10, 2113734), (12, 1761445), (14, 1509810), (15, 1409156), (20, 1056867), (21, 1006540), (28, 754905), (30, 704578), (35, 603924), (42, 503270), (59, 358260), (60, 352289), (70, 301962), (84, 251635), (105, 201308), (118, 179130), (140, 150981), (177, 119420), (210, 100654), (236, 89565), (295, 71652), (354, 59710), (413, 51180), (420, 50327), (590, 35826), (708, 29855), (826, 25590), (853, 24780), (885, 23884), (1180, 17913), (1239, 17060), (1652, 12795), (1706, 12390), (1770, 11942), (2065, 10236), (2478, 8530), (2559, 8260), (3412, 6195), (3540, 5971), (4130, 5118), (4265, 4956)]