21388332

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{254623}}^1$

素因数の和:254637

約数の個数: 24

約数和(自身を含む): 57035776

約数和(自身を除く): 35647444

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 254623, 509246, 763869, 1018492, 1527738, 1782361, 3055476, 3564722, 5347083, 7129444, 10694166, 21388332]

約数ペア:

[(1, 21388332), (2, 10694166), (3, 7129444), (4, 5347083), (6, 3564722), (7, 3055476), (12, 1782361), (14, 1527738), (21, 1018492), (28, 763869), (42, 509246), (84, 254623)]