21946020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{733}}^1$

素因数の和:1244

約数の個数: 48

約数和(自身を含む): 61656000

約数和(自身を除く): 39709980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 499, 733, 998, 1466, 1497, 1996, 2199, 2495, 2932, 2994, 3665, 4398, 4990, 5988, 7330, 7485, 8796, 9980, 10995, 14660, 14970, 21990, 29940, 43980, 365767, 731534, 1097301, 1463068, 1828835, 2194602, 3657670, 4389204, 5486505, 7315340, 10973010, 21946020]

約数ペア:

[(1, 21946020), (2, 10973010), (3, 7315340), (4, 5486505), (5, 4389204), (6, 3657670), (10, 2194602), (12, 1828835), (15, 1463068), (20, 1097301), (30, 731534), (60, 365767), (499, 43980), (733, 29940), (998, 21990), (1466, 14970), (1497, 14660), (1996, 10995), (2199, 9980), (2495, 8796), (2932, 7485), (2994, 7330), (3665, 5988), (4398, 4990)]