21018060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{2383}}^1$

素因数の和:2412

約数の個数: 108

約数和(自身を含む): 74194848

約数和(自身を除く): 53176788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2383, 2940, 4410, 4766, 7149, 8820, 9532, 11915, 14298, 16681, 21447, 23830, 28596, 33362, 35745, 42894, 47660, 50043, 66724, 71490, 83405, 85788, 100086, 107235, 116767, 142980, 150129, 166810, 200172, 214470, 233534, 250215, 300258, 333620, 350301, 428940, 467068, 500430, 583835, 600516, 700602, 750645, 1000860, 1050903, 1167670, 1401204, 1501290, 1751505, 2101806, 2335340, 3002580, 3503010, 4203612, 5254515, 7006020, 10509030, 21018060]

約数ペア:

[(1, 21018060), (2, 10509030), (3, 7006020), (4, 5254515), (5, 4203612), (6, 3503010), (7, 3002580), (9, 2335340), (10, 2101806), (12, 1751505), (14, 1501290), (15, 1401204), (18, 1167670), (20, 1050903), (21, 1000860), (28, 750645), (30, 700602), (35, 600516), (36, 583835), (42, 500430), (45, 467068), (49, 428940), (60, 350301), (63, 333620), (70, 300258), (84, 250215), (90, 233534), (98, 214470), (105, 200172), (126, 166810), (140, 150129), (147, 142980), (180, 116767), (196, 107235), (210, 100086), (245, 85788), (252, 83405), (294, 71490), (315, 66724), (420, 50043), (441, 47660), (490, 42894), (588, 35745), (630, 33362), (735, 28596), (882, 23830), (980, 21447), (1260, 16681), (1470, 14298), (1764, 11915), (2205, 9532), (2383, 8820), (2940, 7149), (4410, 4766)]