21418140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{356969}}^1$

素因数の和:356981

約数の個数: 24

約数和(自身を含む): 59970960

約数和(自身を除く): 38552820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 356969, 713938, 1070907, 1427876, 1784845, 2141814, 3569690, 4283628, 5354535, 7139380, 10709070, 21418140]

約数ペア:

[(1, 21418140), (2, 10709070), (3, 7139380), (4, 5354535), (5, 4283628), (6, 3569690), (10, 2141814), (12, 1784845), (15, 1427876), (20, 1070907), (30, 713938), (60, 356969)]