21795960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{4909}}^1$

素因数の和:4960

約数の個数: 64

約数和(自身を含む): 67168800

約数和(自身を除く): 45372840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 185, 222, 296, 370, 444, 555, 740, 888, 1110, 1480, 2220, 4440, 4909, 9818, 14727, 19636, 24545, 29454, 39272, 49090, 58908, 73635, 98180, 117816, 147270, 181633, 196360, 294540, 363266, 544899, 589080, 726532, 908165, 1089798, 1453064, 1816330, 2179596, 2724495, 3632660, 4359192, 5448990, 7265320, 10897980, 21795960]

約数ペア:

[(1, 21795960), (2, 10897980), (3, 7265320), (4, 5448990), (5, 4359192), (6, 3632660), (8, 2724495), (10, 2179596), (12, 1816330), (15, 1453064), (20, 1089798), (24, 908165), (30, 726532), (37, 589080), (40, 544899), (60, 363266), (74, 294540), (111, 196360), (120, 181633), (148, 147270), (185, 117816), (222, 98180), (296, 73635), (370, 58908), (444, 49090), (555, 39272), (740, 29454), (888, 24545), (1110, 19636), (1480, 14727), (2220, 9818), (4440, 4909)]