21670950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{20639}}^1$

素因数の和:20661

約数の個数: 48

約数和(自身を含む): 61424640

約数和(自身を除く): 39753690

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 20639, 41278, 61917, 103195, 123834, 144473, 206390, 288946, 309585, 433419, 515975, 619170, 722365, 866838, 1031950, 1444730, 1547925, 2167095, 3095850, 3611825, 4334190, 7223650, 10835475, 21670950]

約数ペア:

[(1, 21670950), (2, 10835475), (3, 7223650), (5, 4334190), (6, 3611825), (7, 3095850), (10, 2167095), (14, 1547925), (15, 1444730), (21, 1031950), (25, 866838), (30, 722365), (35, 619170), (42, 515975), (50, 433419), (70, 309585), (75, 288946), (105, 206390), (150, 144473), (175, 123834), (210, 103195), (350, 61917), (525, 41278), (1050, 20639)]