21963060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17431}}^1$

素因数の和:17453

約数の個数: 72

約数和(自身を含む): 76142976

約数和(自身を除く): 54179916

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 17431, 34862, 52293, 69724, 87155, 104586, 122017, 156879, 174310, 209172, 244034, 261465, 313758, 348620, 366051, 488068, 522930, 610085, 627516, 732102, 784395, 1045860, 1098153, 1220170, 1464204, 1568790, 1830255, 2196306, 2440340, 3137580, 3660510, 4392612, 5490765, 7321020, 10981530, 21963060]

約数ペア:

[(1, 21963060), (2, 10981530), (3, 7321020), (4, 5490765), (5, 4392612), (6, 3660510), (7, 3137580), (9, 2440340), (10, 2196306), (12, 1830255), (14, 1568790), (15, 1464204), (18, 1220170), (20, 1098153), (21, 1045860), (28, 784395), (30, 732102), (35, 627516), (36, 610085), (42, 522930), (45, 488068), (60, 366051), (63, 348620), (70, 313758), (84, 261465), (90, 244034), (105, 209172), (126, 174310), (140, 156879), (180, 122017), (210, 104586), (252, 87155), (315, 69724), (420, 52293), (630, 34862), (1260, 17431)]