21885880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{23789}}^1$

素因数の和:23823

約数の個数: 32

約数和(自身を含む): 51386400

約数和(自身を除く): 29500520

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 23789, 47578, 95156, 118945, 190312, 237890, 475780, 547147, 951560, 1094294, 2188588, 2735735, 4377176, 5471470, 10942940, 21885880]

約数ペア:

[(1, 21885880), (2, 10942940), (4, 5471470), (5, 4377176), (8, 2735735), (10, 2188588), (20, 1094294), (23, 951560), (40, 547147), (46, 475780), (92, 237890), (115, 190312), (184, 118945), (230, 95156), (460, 47578), (920, 23789)]