21075660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1259}}^1$

素因数の和:1308

約数の個数: 96

約数和(自身を含む): 67737600

約数和(自身を除く): 46661940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1259, 1395, 1674, 1860, 2518, 2790, 3348, 3777, 4185, 5036, 5580, 6295, 7554, 8370, 11331, 12590, 15108, 16740, 18885, 22662, 25180, 33993, 37770, 39029, 45324, 56655, 67986, 75540, 78058, 113310, 117087, 135972, 156116, 169965, 195145, 226620, 234174, 339930, 351261, 390290, 468348, 585435, 679860, 702522, 780580, 1053783, 1170870, 1405044, 1756305, 2107566, 2341740, 3512610, 4215132, 5268915, 7025220, 10537830, 21075660]

約数ペア:

[(1, 21075660), (2, 10537830), (3, 7025220), (4, 5268915), (5, 4215132), (6, 3512610), (9, 2341740), (10, 2107566), (12, 1756305), (15, 1405044), (18, 1170870), (20, 1053783), (27, 780580), (30, 702522), (31, 679860), (36, 585435), (45, 468348), (54, 390290), (60, 351261), (62, 339930), (90, 234174), (93, 226620), (108, 195145), (124, 169965), (135, 156116), (155, 135972), (180, 117087), (186, 113310), (270, 78058), (279, 75540), (310, 67986), (372, 56655), (465, 45324), (540, 39029), (558, 37770), (620, 33993), (837, 25180), (930, 22662), (1116, 18885), (1259, 16740), (1395, 15108), (1674, 12590), (1860, 11331), (2518, 8370), (2790, 7554), (3348, 6295), (3777, 5580), (4185, 5036)]