21980838

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{8123}}^1$

素因数の和:8180

約数の個数: 32

約数和(自身を含む): 49133952

約数和(自身を除く): 27153114

約数列:

[1, 2, 3, 6, 11, 22, 33, 41, 66, 82, 123, 246, 451, 902, 1353, 2706, 8123, 16246, 24369, 48738, 89353, 178706, 268059, 333043, 536118, 666086, 999129, 1998258, 3663473, 7326946, 10990419, 21980838]

約数ペア:

[(1, 21980838), (2, 10990419), (3, 7326946), (6, 3663473), (11, 1998258), (22, 999129), (33, 666086), (41, 536118), (66, 333043), (82, 268059), (123, 178706), (246, 89353), (451, 48738), (902, 24369), (1353, 16246), (2706, 8123)]