21968240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{39229}}^1$

素因数の和:39249

約数の個数: 40

約数和(自身を含む): 58374240

約数和(自身を除く): 36406000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 39229, 78458, 156916, 196145, 274603, 313832, 392290, 549206, 627664, 784580, 1098412, 1373015, 1569160, 2196824, 2746030, 3138320, 4393648, 5492060, 10984120, 21968240]

約数ペア:

[(1, 21968240), (2, 10984120), (4, 5492060), (5, 4393648), (7, 3138320), (8, 2746030), (10, 2196824), (14, 1569160), (16, 1373015), (20, 1098412), (28, 784580), (35, 627664), (40, 549206), (56, 392290), (70, 313832), (80, 274603), (112, 196145), (140, 156916), (280, 78458), (560, 39229)]