21764520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{60457}}^1$

素因数の和:60474

約数の個数: 48

約数和(自身を含む): 70735860

約数和(自身を除く): 48971340

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 60457, 120914, 181371, 241828, 302285, 362742, 483656, 544113, 604570, 725484, 906855, 1088226, 1209140, 1450968, 1813710, 2176452, 2418280, 2720565, 3627420, 4352904, 5441130, 7254840, 10882260, 21764520]

約数ペア:

[(1, 21764520), (2, 10882260), (3, 7254840), (4, 5441130), (5, 4352904), (6, 3627420), (8, 2720565), (9, 2418280), (10, 2176452), (12, 1813710), (15, 1450968), (18, 1209140), (20, 1088226), (24, 906855), (30, 725484), (36, 604570), (40, 544113), (45, 483656), (60, 362742), (72, 302285), (90, 241828), (120, 181371), (180, 120914), (360, 60457)]