21979116

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{14891}}^1$

素因数の和:14942

約数の個数: 36

約数和(自身を含む): 56917224

約数和(自身を除く): 34938108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 14891, 29782, 44673, 59564, 89346, 134019, 178692, 268038, 536076, 610531, 1221062, 1831593, 2442124, 3663186, 5494779, 7326372, 10989558, 21979116]

約数ペア:

[(1, 21979116), (2, 10989558), (3, 7326372), (4, 5494779), (6, 3663186), (9, 2442124), (12, 1831593), (18, 1221062), (36, 610531), (41, 536076), (82, 268038), (123, 178692), (164, 134019), (246, 89346), (369, 59564), (492, 44673), (738, 29782), (1476, 14891)]