21386064

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{63649}}^1$

素因数の和:63667

約数の個数: 40

約数和(自身を含む): 63140800

約数和(自身を除く): 41754736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 63649, 127298, 190947, 254596, 381894, 445543, 509192, 763788, 891086, 1018384, 1336629, 1527576, 1782172, 2673258, 3055152, 3564344, 5346516, 7128688, 10693032, 21386064]

約数ペア:

[(1, 21386064), (2, 10693032), (3, 7128688), (4, 5346516), (6, 3564344), (7, 3055152), (8, 2673258), (12, 1782172), (14, 1527576), (16, 1336629), (21, 1018384), (24, 891086), (28, 763788), (42, 509192), (48, 445543), (56, 381894), (84, 254596), (112, 190947), (168, 127298), (336, 63649)]