21870378

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{17609}}^1$

素因数の和:17643

約数の個数: 32

約数和(自身を含む): 50716800

約数和(自身を除く): 28846422

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 17609, 35218, 52827, 105654, 158481, 316962, 405007, 475443, 810014, 950886, 1215021, 2430042, 3645063, 7290126, 10935189, 21870378]

約数ペア:

[(1, 21870378), (2, 10935189), (3, 7290126), (6, 3645063), (9, 2430042), (18, 1215021), (23, 950886), (27, 810014), (46, 475443), (54, 405007), (69, 316962), (138, 158481), (207, 105654), (414, 52827), (621, 35218), (1242, 17609)]