21392520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{3793}}^1$

素因数の和:3854

約数の個数: 64

約数和(自身を含む): 65560320

約数和(自身を除く): 44167800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 47, 60, 94, 120, 141, 188, 235, 282, 376, 470, 564, 705, 940, 1128, 1410, 1880, 2820, 3793, 5640, 7586, 11379, 15172, 18965, 22758, 30344, 37930, 45516, 56895, 75860, 91032, 113790, 151720, 178271, 227580, 356542, 455160, 534813, 713084, 891355, 1069626, 1426168, 1782710, 2139252, 2674065, 3565420, 4278504, 5348130, 7130840, 10696260, 21392520]

約数ペア:

[(1, 21392520), (2, 10696260), (3, 7130840), (4, 5348130), (5, 4278504), (6, 3565420), (8, 2674065), (10, 2139252), (12, 1782710), (15, 1426168), (20, 1069626), (24, 891355), (30, 713084), (40, 534813), (47, 455160), (60, 356542), (94, 227580), (120, 178271), (141, 151720), (188, 113790), (235, 91032), (282, 75860), (376, 56895), (470, 45516), (564, 37930), (705, 30344), (940, 22758), (1128, 18965), (1410, 15172), (1880, 11379), (2820, 7586), (3793, 5640)]