21227880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{176899}}^1$

素因数の和:176913

約数の個数: 32

約数和(自身を含む): 63684000

約数和(自身を除く): 42456120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 176899, 353798, 530697, 707596, 884495, 1061394, 1415192, 1768990, 2122788, 2653485, 3537980, 4245576, 5306970, 7075960, 10613940, 21227880]

約数ペア:

[(1, 21227880), (2, 10613940), (3, 7075960), (4, 5306970), (5, 4245576), (6, 3537980), (8, 2653485), (10, 2122788), (12, 1768990), (15, 1415192), (20, 1061394), (24, 884495), (30, 707596), (40, 530697), (60, 353798), (120, 176899)]