21428580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{18797}}^1$

素因数の和:18828

約数の個数: 48

約数和(自身を含む): 63161280

約数和(自身を除く): 41732700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 18797, 37594, 56391, 75188, 93985, 112782, 187970, 225564, 281955, 357143, 375940, 563910, 714286, 1071429, 1127820, 1428572, 1785715, 2142858, 3571430, 4285716, 5357145, 7142860, 10714290, 21428580]

約数ペア:

[(1, 21428580), (2, 10714290), (3, 7142860), (4, 5357145), (5, 4285716), (6, 3571430), (10, 2142858), (12, 1785715), (15, 1428572), (19, 1127820), (20, 1071429), (30, 714286), (38, 563910), (57, 375940), (60, 357143), (76, 281955), (95, 225564), (114, 187970), (190, 112782), (228, 93985), (285, 75188), (380, 56391), (570, 37594), (1140, 18797)]