21769980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2027}}^1$

素因数の和:2218

約数の個数: 48

約数和(自身を含む): 61326720

約数和(自身を除く): 39556740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 179, 358, 537, 716, 895, 1074, 1790, 2027, 2148, 2685, 3580, 4054, 5370, 6081, 8108, 10135, 10740, 12162, 20270, 24324, 30405, 40540, 60810, 121620, 362833, 725666, 1088499, 1451332, 1814165, 2176998, 3628330, 4353996, 5442495, 7256660, 10884990, 21769980]

約数ペア:

[(1, 21769980), (2, 10884990), (3, 7256660), (4, 5442495), (5, 4353996), (6, 3628330), (10, 2176998), (12, 1814165), (15, 1451332), (20, 1088499), (30, 725666), (60, 362833), (179, 121620), (358, 60810), (537, 40540), (716, 30405), (895, 24324), (1074, 20270), (1790, 12162), (2027, 10740), (2148, 10135), (2685, 8108), (3580, 6081), (4054, 5370)]