21915960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16603}}^1$

素因数の和:16628

約数の個数: 64

約数和(自身を含む): 71729280

約数和(自身を除く): 49813320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 16603, 33206, 49809, 66412, 83015, 99618, 132824, 166030, 182633, 199236, 249045, 332060, 365266, 398472, 498090, 547899, 664120, 730532, 913165, 996180, 1095798, 1461064, 1826330, 1992360, 2191596, 2739495, 3652660, 4383192, 5478990, 7305320, 10957980, 21915960]

約数ペア:

[(1, 21915960), (2, 10957980), (3, 7305320), (4, 5478990), (5, 4383192), (6, 3652660), (8, 2739495), (10, 2191596), (11, 1992360), (12, 1826330), (15, 1461064), (20, 1095798), (22, 996180), (24, 913165), (30, 730532), (33, 664120), (40, 547899), (44, 498090), (55, 398472), (60, 365266), (66, 332060), (88, 249045), (110, 199236), (120, 182633), (132, 166030), (165, 132824), (220, 99618), (264, 83015), (330, 66412), (440, 49809), (660, 33206), (1320, 16603)]