21033252

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 56189952

約数和(自身を除く): 35156700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 47, 62, 93, 94, 124, 141, 186, 188, 279, 282, 372, 401, 423, 558, 564, 802, 846, 1116, 1203, 1457, 1604, 1692, 2406, 2914, 3609, 4371, 4812, 5828, 7218, 8742, 12431, 13113, 14436, 17484, 18847, 24862, 26226, 37293, 37694, 49724, 52452, 56541, 74586, 75388, 111879, 113082, 149172, 169623, 223758, 226164, 339246, 447516, 584257, 678492, 1168514, 1752771, 2337028, 3505542, 5258313, 7011084, 10516626, 21033252]

約数ペア:

[(1, 21033252), (2, 10516626), (3, 7011084), (4, 5258313), (6, 3505542), (9, 2337028), (12, 1752771), (18, 1168514), (31, 678492), (36, 584257), (47, 447516), (62, 339246), (93, 226164), (94, 223758), (124, 169623), (141, 149172), (186, 113082), (188, 111879), (279, 75388), (282, 74586), (372, 56541), (401, 52452), (423, 49724), (558, 37694), (564, 37293), (802, 26226), (846, 24862), (1116, 18847), (1203, 17484), (1457, 14436), (1604, 13113), (1692, 12431), (2406, 8742), (2914, 7218), (3609, 5828), (4371, 4812)]