21001686

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{587}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 22181034

約数列:

[1, 2, 3, 6, 67, 89, 134, 178, 201, 267, 402, 534, 587, 1174, 1761, 3522, 5963, 11926, 17889, 35778, 39329, 52243, 78658, 104486, 117987, 156729, 235974, 313458, 3500281, 7000562, 10500843, 21001686]

約数ペア:

[(1, 21001686), (2, 10500843), (3, 7000562), (6, 3500281), (67, 313458), (89, 235974), (134, 156729), (178, 117987), (201, 104486), (267, 78658), (402, 52243), (534, 39329), (587, 35778), (1174, 17889), (1761, 11926), (3522, 5963)]