21308340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{355139}}^1$

素因数の和:355151

約数の個数: 24

約数和(自身を含む): 59663520

約数和(自身を除く): 38355180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 355139, 710278, 1065417, 1420556, 1775695, 2130834, 3551390, 4261668, 5327085, 7102780, 10654170, 21308340]

約数ペア:

[(1, 21308340), (2, 10654170), (3, 7102780), (4, 5327085), (5, 4261668), (6, 3551390), (10, 2130834), (12, 1775695), (15, 1420556), (20, 1065417), (30, 710278), (60, 355139)]