21607120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{11743}}^1$

素因数の和:11779

約数の個数: 40

約数和(自身を含む): 52425216

約数和(自身を除く): 30818096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 11743, 23486, 46972, 58715, 93944, 117430, 187888, 234860, 270089, 469720, 540178, 939440, 1080356, 1350445, 2160712, 2700890, 4321424, 5401780, 10803560, 21607120]

約数ペア:

[(1, 21607120), (2, 10803560), (4, 5401780), (5, 4321424), (8, 2700890), (10, 2160712), (16, 1350445), (20, 1080356), (23, 939440), (40, 540178), (46, 469720), (80, 270089), (92, 234860), (115, 187888), (184, 117430), (230, 93944), (368, 58715), (460, 46972), (920, 23486), (1840, 11743)]