21985432

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20663}}^1$

素因数の和:20695

約数の個数: 32

約数和(自身を含む): 49593600

約数和(自身を除く): 27608168

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 20663, 41326, 82652, 144641, 165304, 289282, 392597, 578564, 785194, 1157128, 1570388, 2748179, 3140776, 5496358, 10992716, 21985432]

約数ペア:

[(1, 21985432), (2, 10992716), (4, 5496358), (7, 3140776), (8, 2748179), (14, 1570388), (19, 1157128), (28, 785194), (38, 578564), (56, 392597), (76, 289282), (133, 165304), (152, 144641), (266, 82652), (532, 41326), (1064, 20663)]