21000309537

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{1489}}^1\times {\mathrm{59509}}^1$

素因数の和:61080

約数の個数: 16

約数和(自身を含む): 28374368000

約数和(自身を除く): 7374058463

約数列:

[1, 3, 79, 237, 1489, 4467, 59509, 117631, 178527, 352893, 4701211, 14103633, 88608901, 265826703, 7000103179, 21000309537]

約数ペア:

[(1, 21000309537), (3, 7000103179), (79, 265826703), (237, 88608901), (1489, 14103633), (4467, 4701211), (59509, 352893), (117631, 178527)]