21037515237

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{757}}^1\times {\mathrm{12401}}^1$

素因数の和:13250

約数の個数: 32

約数和(自身を含む): 31586405760

約数和(自身を除く): 10548890523

約数列:

[1, 3, 9, 27, 83, 249, 747, 757, 2241, 2271, 6813, 12401, 20439, 37203, 62831, 111609, 188493, 334827, 565479, 1029283, 1696437, 3087849, 9263547, 9387557, 27790641, 28162671, 84488013, 253464039, 779167231, 2337501693, 7012505079, 21037515237]

約数ペア:

[(1, 21037515237), (3, 7012505079), (9, 2337501693), (27, 779167231), (83, 253464039), (249, 84488013), (747, 28162671), (757, 27790641), (2241, 9387557), (2271, 9263547), (6813, 3087849), (12401, 1696437), (20439, 1029283), (37203, 565479), (62831, 334827), (111609, 188493)]