21580026537

素因数分解:

$3^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1\times {\mathrm{2659}}^1$

素因数の和:3093

約数の個数: 32

約数和(自身を含む): 29426664960

約数和(自身を除く): 7846638423

約数列:

[1, 3, 107, 131, 193, 321, 393, 579, 2659, 7977, 14017, 20651, 25283, 42051, 61953, 75849, 284513, 348329, 513187, 853539, 1044987, 1539561, 2705281, 8115843, 37271203, 54911009, 67227497, 111813609, 164733027, 201682491, 7193342179, 21580026537]

約数ペア:

[(1, 21580026537), (3, 7193342179), (107, 201682491), (131, 164733027), (193, 111813609), (321, 67227497), (393, 54911009), (579, 37271203), (2659, 8115843), (7977, 2705281), (14017, 1539561), (20651, 1044987), (25283, 853539), (42051, 513187), (61953, 348329), (75849, 284513)]