21353050

素因数分解:

$2^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{7001}}^1$

素因数の和:7074

約数の個数: 24

約数和(自身を含む): 40373532

約数和(自身を除く): 19020482

約数列:

[1, 2, 5, 10, 25, 50, 61, 122, 305, 610, 1525, 3050, 7001, 14002, 35005, 70010, 175025, 350050, 427061, 854122, 2135305, 4270610, 10676525, 21353050]

約数ペア:

[(1, 21353050), (2, 10676525), (5, 4270610), (10, 2135305), (25, 854122), (50, 427061), (61, 350050), (122, 175025), (305, 70010), (610, 35005), (1525, 14002), (3050, 7001)]