21974340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{366239}}^1$

素因数の和:366251

約数の個数: 24

約数和(自身を含む): 61528320

約数和(自身を除く): 39553980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 366239, 732478, 1098717, 1464956, 1831195, 2197434, 3662390, 4394868, 5493585, 7324780, 10987170, 21974340]

約数ペア:

[(1, 21974340), (2, 10987170), (3, 7324780), (4, 5493585), (5, 4394868), (6, 3662390), (10, 2197434), (12, 1831195), (15, 1464956), (20, 1098717), (30, 732478), (60, 366239)]