21110050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:763

約数の個数: 48

約数和(自身を含む): 43247232

約数和(自身を除く): 22137182

約数列:

[1, 2, 5, 10, 13, 25, 26, 47, 50, 65, 94, 130, 235, 325, 470, 611, 650, 691, 1175, 1222, 1382, 2350, 3055, 3455, 6110, 6910, 8983, 15275, 17275, 17966, 30550, 32477, 34550, 44915, 64954, 89830, 162385, 224575, 324770, 422201, 449150, 811925, 844402, 1623850, 2111005, 4222010, 10555025, 21110050]

約数ペア:

[(1, 21110050), (2, 10555025), (5, 4222010), (10, 2111005), (13, 1623850), (25, 844402), (26, 811925), (47, 449150), (50, 422201), (65, 324770), (94, 224575), (130, 162385), (235, 89830), (325, 64954), (470, 44915), (611, 34550), (650, 32477), (691, 30550), (1175, 17966), (1222, 17275), (1382, 15275), (2350, 8983), (3055, 6910), (3455, 6110)]