21479772

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1483}}^1$

素因数の和:1578

約数の個数: 48

約数和(自身を含む): 53851392

約数和(自身を除く): 32371620

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 71, 102, 142, 204, 213, 284, 426, 852, 1207, 1483, 2414, 2966, 3621, 4449, 4828, 5932, 7242, 8898, 14484, 17796, 25211, 50422, 75633, 100844, 105293, 151266, 210586, 302532, 315879, 421172, 631758, 1263516, 1789981, 3579962, 5369943, 7159924, 10739886, 21479772]

約数ペア:

[(1, 21479772), (2, 10739886), (3, 7159924), (4, 5369943), (6, 3579962), (12, 1789981), (17, 1263516), (34, 631758), (51, 421172), (68, 315879), (71, 302532), (102, 210586), (142, 151266), (204, 105293), (213, 100844), (284, 75633), (426, 50422), (852, 25211), (1207, 17796), (1483, 14484), (2414, 8898), (2966, 7242), (3621, 5932), (4449, 4828)]