21989502

素因数分解:

$2^1\times 3^3\times {\mathrm{313}}^1\times {\mathrm{1301}}^1$

素因数の和:1625

約数の個数: 32

約数和(自身を含む): 49059360

約数和(自身を除く): 27069858

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 313, 626, 939, 1301, 1878, 2602, 2817, 3903, 5634, 7806, 8451, 11709, 16902, 23418, 35127, 70254, 407213, 814426, 1221639, 2443278, 3664917, 7329834, 10994751, 21989502]

約数ペア:

[(1, 21989502), (2, 10994751), (3, 7329834), (6, 3664917), (9, 2443278), (18, 1221639), (27, 814426), (54, 407213), (313, 70254), (626, 35127), (939, 23418), (1301, 16902), (1878, 11709), (2602, 8451), (2817, 7806), (3903, 5634)]