21627690

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{569}}^1$

素因数の和:767

約数の個数: 64

約数和(自身を含む): 59754240

約数和(自身を除く): 38126550

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 181, 210, 362, 543, 569, 905, 1086, 1138, 1267, 1707, 1810, 2534, 2715, 2845, 3414, 3801, 3983, 5430, 5690, 6335, 7602, 7966, 8535, 11949, 12670, 17070, 19005, 19915, 23898, 38010, 39830, 59745, 102989, 119490, 205978, 308967, 514945, 617934, 720923, 1029890, 1441846, 1544835, 2162769, 3089670, 3604615, 4325538, 7209230, 10813845, 21627690]

約数ペア:

[(1, 21627690), (2, 10813845), (3, 7209230), (5, 4325538), (6, 3604615), (7, 3089670), (10, 2162769), (14, 1544835), (15, 1441846), (21, 1029890), (30, 720923), (35, 617934), (42, 514945), (70, 308967), (105, 205978), (181, 119490), (210, 102989), (362, 59745), (543, 39830), (569, 38010), (905, 23898), (1086, 19915), (1138, 19005), (1267, 17070), (1707, 12670), (1810, 11949), (2534, 8535), (2715, 7966), (2845, 7602), (3414, 6335), (3801, 5690), (3983, 5430)]