21639474

素因数分解:

$2^1\times 3^4\times {\mathrm{223}}^1\times {\mathrm{599}}^1$

素因数の和:836

約数の個数: 40

約数和(自身を含む): 48787200

約数和(自身を除く): 27147726

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 223, 446, 599, 669, 1198, 1338, 1797, 2007, 3594, 4014, 5391, 6021, 10782, 12042, 16173, 18063, 32346, 36126, 48519, 97038, 133577, 267154, 400731, 801462, 1202193, 2404386, 3606579, 7213158, 10819737, 21639474]

約数ペア:

[(1, 21639474), (2, 10819737), (3, 7213158), (6, 3606579), (9, 2404386), (18, 1202193), (27, 801462), (54, 400731), (81, 267154), (162, 133577), (223, 97038), (446, 48519), (599, 36126), (669, 32346), (1198, 18063), (1338, 16173), (1797, 12042), (2007, 10782), (3594, 6021), (4014, 5391)]