21200844

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{252391}}^1$

素因数の和:252405

約数の個数: 24

約数和(自身を含む): 56535808

約数和(自身を除く): 35334964

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 252391, 504782, 757173, 1009564, 1514346, 1766737, 3028692, 3533474, 5300211, 7066948, 10600422, 21200844]

約数ペア:

[(1, 21200844), (2, 10600422), (3, 7066948), (4, 5300211), (6, 3533474), (7, 3028692), (12, 1766737), (14, 1514346), (21, 1009564), (28, 757173), (42, 504782), (84, 252391)]