21798224

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 50996736

約数和(自身を除く): 29198512

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 47, 56, 82, 94, 101, 112, 164, 188, 202, 287, 328, 329, 376, 404, 574, 656, 658, 707, 752, 808, 1148, 1316, 1414, 1616, 1927, 2296, 2632, 2828, 3854, 4141, 4592, 4747, 5264, 5656, 7708, 8282, 9494, 11312, 13489, 15416, 16564, 18988, 26978, 28987, 30832, 33128, 33229, 37976, 53956, 57974, 66256, 66458, 75952, 107912, 115948, 132916, 194627, 215824, 231896, 265832, 389254, 463792, 531664, 778508, 1362389, 1557016, 2724778, 3114032, 5449556, 10899112, 21798224]

約数ペア:

[(1, 21798224), (2, 10899112), (4, 5449556), (7, 3114032), (8, 2724778), (14, 1557016), (16, 1362389), (28, 778508), (41, 531664), (47, 463792), (56, 389254), (82, 265832), (94, 231896), (101, 215824), (112, 194627), (164, 132916), (188, 115948), (202, 107912), (287, 75952), (328, 66458), (329, 66256), (376, 57974), (404, 53956), (574, 37976), (656, 33229), (658, 33128), (707, 30832), (752, 28987), (808, 26978), (1148, 18988), (1316, 16564), (1414, 15416), (1616, 13489), (1927, 11312), (2296, 9494), (2632, 8282), (2828, 7708), (3854, 5656), (4141, 5264), (4592, 4747)]