21564930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 53919360

約数和(自身を除く): 32354430

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 73, 86, 129, 146, 215, 219, 229, 258, 365, 430, 438, 458, 645, 687, 730, 1095, 1145, 1290, 1374, 2190, 2290, 3139, 3435, 6278, 6870, 9417, 9847, 15695, 16717, 18834, 19694, 29541, 31390, 33434, 47085, 49235, 50151, 59082, 83585, 94170, 98470, 100302, 147705, 167170, 250755, 295410, 501510, 718831, 1437662, 2156493, 3594155, 4312986, 7188310, 10782465, 21564930]

約数ペア:

[(1, 21564930), (2, 10782465), (3, 7188310), (5, 4312986), (6, 3594155), (10, 2156493), (15, 1437662), (30, 718831), (43, 501510), (73, 295410), (86, 250755), (129, 167170), (146, 147705), (215, 100302), (219, 98470), (229, 94170), (258, 83585), (365, 59082), (430, 50151), (438, 49235), (458, 47085), (645, 33434), (687, 31390), (730, 29541), (1095, 19694), (1145, 18834), (1290, 16717), (1374, 15695), (2190, 9847), (2290, 9417), (3139, 6870), (3435, 6278)]