2021189247

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{2377}}^1$

素因数の和:2813

約数の個数: 64

約数和(自身を含む): 3743923200

約数和(自身を除く): 1722733953

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 409, 693, 1227, 2079, 2377, 2863, 3681, 4499, 7131, 8589, 11043, 13497, 16639, 21393, 25767, 26147, 31493, 40491, 49917, 64179, 77301, 78441, 94479, 121473, 149751, 183029, 235323, 283437, 449253, 549087, 705969, 850311, 972193, 1647261, 2916579, 4941783, 6805351, 8749737, 10694123, 20416053, 26249211, 32082369, 61248159, 74858861, 96247107, 183744477, 224576583, 288741321, 673729749, 2021189247]

約数ペア:

[(1, 2021189247), (3, 673729749), (7, 288741321), (9, 224576583), (11, 183744477), (21, 96247107), (27, 74858861), (33, 61248159), (63, 32082369), (77, 26249211), (99, 20416053), (189, 10694123), (231, 8749737), (297, 6805351), (409, 4941783), (693, 2916579), (1227, 1647261), (2079, 972193), (2377, 850311), (2863, 705969), (3681, 549087), (4499, 449253), (7131, 283437), (8589, 235323), (11043, 183029), (13497, 149751), (16639, 121473), (21393, 94479), (25767, 78441), (26147, 77301), (31493, 64179), (40491, 49917)]