21418620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{356977}}^1$

素因数の和:356989

約数の個数: 24

約数和(自身を含む): 59972304

約数和(自身を除く): 38553684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 356977, 713954, 1070931, 1427908, 1784885, 2141862, 3569770, 4283724, 5354655, 7139540, 10709310, 21418620]

約数ペア:

[(1, 21418620), (2, 10709310), (3, 7139540), (4, 5354655), (5, 4283724), (6, 3569770), (10, 2141862), (12, 1784885), (15, 1427908), (20, 1070931), (30, 713954), (60, 356977)]