21228150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{1033}}^1$

素因数の和:1185

約数の個数: 48

約数和(自身を含む): 53081424

約数和(自身を除く): 31853274

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 137, 150, 274, 411, 685, 822, 1033, 1370, 2055, 2066, 3099, 3425, 4110, 5165, 6198, 6850, 10275, 10330, 15495, 20550, 25825, 30990, 51650, 77475, 141521, 154950, 283042, 424563, 707605, 849126, 1415210, 2122815, 3538025, 4245630, 7076050, 10614075, 21228150]

約数ペア:

[(1, 21228150), (2, 10614075), (3, 7076050), (5, 4245630), (6, 3538025), (10, 2122815), (15, 1415210), (25, 849126), (30, 707605), (50, 424563), (75, 283042), (137, 154950), (150, 141521), (274, 77475), (411, 51650), (685, 30990), (822, 25825), (1033, 20550), (1370, 15495), (2055, 10330), (2066, 10275), (3099, 6850), (3425, 6198), (4110, 5165)]