21299844

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{397}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 52956288

約数和(自身を除く): 31656444

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 263, 397, 526, 789, 794, 1052, 1191, 1578, 1588, 2382, 3156, 4471, 4764, 6749, 8942, 13413, 13498, 17884, 20247, 26826, 26996, 40494, 53652, 80988, 104411, 208822, 313233, 417644, 626466, 1252932, 1774987, 3549974, 5324961, 7099948, 10649922, 21299844]

約数ペア:

[(1, 21299844), (2, 10649922), (3, 7099948), (4, 5324961), (6, 3549974), (12, 1774987), (17, 1252932), (34, 626466), (51, 417644), (68, 313233), (102, 208822), (204, 104411), (263, 80988), (397, 53652), (526, 40494), (789, 26996), (794, 26826), (1052, 20247), (1191, 17884), (1578, 13498), (1588, 13413), (2382, 8942), (3156, 6749), (4471, 4764)]