21316536

素因数分解:

$2^3\times 3^2\times {\mathrm{149}}^1\times {\mathrm{1987}}^1$

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 58149000

約数和(自身を除く): 36832464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 149, 298, 447, 596, 894, 1192, 1341, 1788, 1987, 2682, 3576, 3974, 5364, 5961, 7948, 10728, 11922, 15896, 17883, 23844, 35766, 47688, 71532, 143064, 296063, 592126, 888189, 1184252, 1776378, 2368504, 2664567, 3552756, 5329134, 7105512, 10658268, 21316536]

約数ペア:

[(1, 21316536), (2, 10658268), (3, 7105512), (4, 5329134), (6, 3552756), (8, 2664567), (9, 2368504), (12, 1776378), (18, 1184252), (24, 888189), (36, 592126), (72, 296063), (149, 143064), (298, 71532), (447, 47688), (596, 35766), (894, 23844), (1192, 17883), (1341, 15896), (1788, 11922), (1987, 10728), (2682, 7948), (3576, 5961), (3974, 5364)]