21201606

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1319}}^1$

素因数の和:1393

約数の個数: 48

約数和(自身を含む): 49420800

約数和(自身を除く): 28219194

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 47, 57, 94, 114, 141, 171, 282, 342, 423, 846, 893, 1319, 1786, 2638, 2679, 3957, 5358, 7914, 8037, 11871, 16074, 23742, 25061, 50122, 61993, 75183, 123986, 150366, 185979, 225549, 371958, 451098, 557937, 1115874, 1177867, 2355734, 3533601, 7067202, 10600803, 21201606]

約数ペア:

[(1, 21201606), (2, 10600803), (3, 7067202), (6, 3533601), (9, 2355734), (18, 1177867), (19, 1115874), (38, 557937), (47, 451098), (57, 371958), (94, 225549), (114, 185979), (141, 150366), (171, 123986), (282, 75183), (342, 61993), (423, 50122), (846, 25061), (893, 23742), (1319, 16074), (1786, 11871), (2638, 8037), (2679, 7914), (3957, 5358)]