21139458

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1277}}^1$

素因数の和:1402

約数の個数: 32

約数和(自身を含む): 44167680

約数和(自身を除く): 23028222

約数列:

[1, 2, 3, 6, 31, 62, 89, 93, 178, 186, 267, 534, 1277, 2554, 2759, 3831, 5518, 7662, 8277, 16554, 39587, 79174, 113653, 118761, 227306, 237522, 340959, 681918, 3523243, 7046486, 10569729, 21139458]

約数ペア:

[(1, 21139458), (2, 10569729), (3, 7046486), (6, 3523243), (31, 681918), (62, 340959), (89, 237522), (93, 227306), (178, 118761), (186, 113653), (267, 79174), (534, 39587), (1277, 16554), (2554, 8277), (2759, 7662), (3831, 5518)]