21849050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 43375200

約数和(自身を除く): 21526150

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 109, 190, 211, 218, 422, 475, 545, 950, 1055, 1090, 2071, 2110, 2725, 4009, 4142, 5275, 5450, 8018, 10355, 10550, 20045, 20710, 22999, 40090, 45998, 51775, 100225, 103550, 114995, 200450, 229990, 436981, 574975, 873962, 1149950, 2184905, 4369810, 10924525, 21849050]

約数ペア:

[(1, 21849050), (2, 10924525), (5, 4369810), (10, 2184905), (19, 1149950), (25, 873962), (38, 574975), (50, 436981), (95, 229990), (109, 200450), (190, 114995), (211, 103550), (218, 100225), (422, 51775), (475, 45998), (545, 40090), (950, 22999), (1055, 20710), (1090, 20045), (2071, 10550), (2110, 10355), (2725, 8018), (4009, 5450), (4142, 5275)]