11521020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{27431}}^1$

素因数の和:27450

約数の個数: 48

約数和(自身を含む): 36868608

約数和(自身を除く): 25347588

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 27431, 54862, 82293, 109724, 137155, 164586, 192017, 274310, 329172, 384034, 411465, 548620, 576051, 768068, 822930, 960085, 1152102, 1645860, 1920170, 2304204, 2880255, 3840340, 5760510, 11521020]

約数ペア:

[(1, 11521020), (2, 5760510), (3, 3840340), (4, 2880255), (5, 2304204), (6, 1920170), (7, 1645860), (10, 1152102), (12, 960085), (14, 822930), (15, 768068), (20, 576051), (21, 548620), (28, 411465), (30, 384034), (35, 329172), (42, 274310), (60, 192017), (70, 164586), (84, 137155), (105, 109724), (140, 82293), (210, 54862), (420, 27431)]