21484788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137723}}^1$

素因数の和:137743

約数の個数: 24

約数和(自身を含む): 53987808

約数和(自身を除く): 32503020

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 137723, 275446, 413169, 550892, 826338, 1652676, 1790399, 3580798, 5371197, 7161596, 10742394, 21484788]

約数ペア:

[(1, 21484788), (2, 10742394), (3, 7161596), (4, 5371197), (6, 3580798), (12, 1790399), (13, 1652676), (26, 826338), (39, 550892), (52, 413169), (78, 275446), (156, 137723)]