21195196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{379}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 21705284

約数列:

[1, 2, 4, 11, 22, 31, 41, 44, 62, 82, 124, 164, 341, 379, 451, 682, 758, 902, 1271, 1364, 1516, 1804, 2542, 4169, 5084, 8338, 11749, 13981, 15539, 16676, 23498, 27962, 31078, 46996, 55924, 62156, 129239, 170929, 258478, 341858, 481709, 516956, 683716, 963418, 1926836, 5298799, 10597598, 21195196]

約数ペア:

[(1, 21195196), (2, 10597598), (4, 5298799), (11, 1926836), (22, 963418), (31, 683716), (41, 516956), (44, 481709), (62, 341858), (82, 258478), (124, 170929), (164, 129239), (341, 62156), (379, 55924), (451, 46996), (682, 31078), (758, 27962), (902, 23498), (1271, 16676), (1364, 15539), (1516, 13981), (1804, 11749), (2542, 8338), (4169, 5084)]