30921996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2687}}^1$

素因数の和:2838

約数の個数: 48

約数和(自身を含む): 83091456

約数和(自身を除く): 52169460

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 137, 274, 411, 548, 822, 959, 1644, 1918, 2687, 2877, 3836, 5374, 5754, 8061, 10748, 11508, 16122, 18809, 32244, 37618, 56427, 75236, 112854, 225708, 368119, 736238, 1104357, 1472476, 2208714, 2576833, 4417428, 5153666, 7730499, 10307332, 15460998, 30921996]

約数ペア:

[(1, 30921996), (2, 15460998), (3, 10307332), (4, 7730499), (6, 5153666), (7, 4417428), (12, 2576833), (14, 2208714), (21, 1472476), (28, 1104357), (42, 736238), (84, 368119), (137, 225708), (274, 112854), (411, 75236), (548, 56427), (822, 37618), (959, 32244), (1644, 18809), (1918, 16122), (2687, 11508), (2877, 10748), (3836, 8061), (5374, 5754)]