21078232

素因数分解:

$2^3\times 7^2\times {\mathrm{17}}^1\times {\mathrm{3163}}^1$

素因数の和:3200

約数の個数: 48

約数和(自身を含む): 48693960

約数和(自身を除く): 27615728

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 49, 56, 68, 98, 119, 136, 196, 238, 392, 476, 833, 952, 1666, 3163, 3332, 6326, 6664, 12652, 22141, 25304, 44282, 53771, 88564, 107542, 154987, 177128, 215084, 309974, 376397, 430168, 619948, 752794, 1239896, 1505588, 2634779, 3011176, 5269558, 10539116, 21078232]

約数ペア:

[(1, 21078232), (2, 10539116), (4, 5269558), (7, 3011176), (8, 2634779), (14, 1505588), (17, 1239896), (28, 752794), (34, 619948), (49, 430168), (56, 376397), (68, 309974), (98, 215084), (119, 177128), (136, 154987), (196, 107542), (238, 88564), (392, 53771), (476, 44282), (833, 25304), (952, 22141), (1666, 12652), (3163, 6664), (3332, 6326)]