21998648

素因数分解:

$2^3\times 7^3\times {\mathrm{8017}}^1$

素因数の和:8044

約数の個数: 32

約数和(自身を含む): 48108000

約数和(自身を除く): 26109352

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 343, 392, 686, 1372, 2744, 8017, 16034, 32068, 56119, 64136, 112238, 224476, 392833, 448952, 785666, 1571332, 2749831, 3142664, 5499662, 10999324, 21998648]

約数ペア:

[(1, 21998648), (2, 10999324), (4, 5499662), (7, 3142664), (8, 2749831), (14, 1571332), (28, 785666), (49, 448952), (56, 392833), (98, 224476), (196, 112238), (343, 64136), (392, 56119), (686, 32068), (1372, 16034), (2744, 8017)]