21409170

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11699}}^1$

素因数の和:11770

約数の個数: 32

約数和(自身を含む): 52228800

約数和(自身を除く): 30819630

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 122, 183, 305, 366, 610, 915, 1830, 11699, 23398, 35097, 58495, 70194, 116990, 175485, 350970, 713639, 1427278, 2140917, 3568195, 4281834, 7136390, 10704585, 21409170]

約数ペア:

[(1, 21409170), (2, 10704585), (3, 7136390), (5, 4281834), (6, 3568195), (10, 2140917), (15, 1427278), (30, 713639), (61, 350970), (122, 175485), (183, 116990), (305, 70194), (366, 58495), (610, 35097), (915, 23398), (1830, 11699)]