21687210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1709}}^1$

素因数の和:1772

約数の個数: 64

約数和(自身を含む): 59097600

約数和(自身を除く): 37410390

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 90, 94, 135, 141, 235, 270, 282, 423, 470, 705, 846, 1269, 1410, 1709, 2115, 2538, 3418, 4230, 5127, 6345, 8545, 10254, 12690, 15381, 17090, 25635, 30762, 46143, 51270, 76905, 80323, 92286, 153810, 160646, 230715, 240969, 401615, 461430, 481938, 722907, 803230, 1204845, 1445814, 2168721, 2409690, 3614535, 4337442, 7229070, 10843605, 21687210]

約数ペア:

[(1, 21687210), (2, 10843605), (3, 7229070), (5, 4337442), (6, 3614535), (9, 2409690), (10, 2168721), (15, 1445814), (18, 1204845), (27, 803230), (30, 722907), (45, 481938), (47, 461430), (54, 401615), (90, 240969), (94, 230715), (135, 160646), (141, 153810), (235, 92286), (270, 80323), (282, 76905), (423, 51270), (470, 46143), (705, 30762), (846, 25635), (1269, 17090), (1410, 15381), (1709, 12690), (2115, 10254), (2538, 8545), (3418, 6345), (4230, 5127)]