21129336

素因数分解:

$2^3\times 3^6\times {\mathrm{3623}}^1$

素因数の和:3647

約数の個数: 56

約数和(自身を含む): 59415480

約数和(自身を除く): 38286144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1458, 1944, 2916, 3623, 5832, 7246, 10869, 14492, 21738, 28984, 32607, 43476, 65214, 86952, 97821, 130428, 195642, 260856, 293463, 391284, 586926, 782568, 880389, 1173852, 1760778, 2347704, 2641167, 3521556, 5282334, 7043112, 10564668, 21129336]

約数ペア:

[(1, 21129336), (2, 10564668), (3, 7043112), (4, 5282334), (6, 3521556), (8, 2641167), (9, 2347704), (12, 1760778), (18, 1173852), (24, 880389), (27, 782568), (36, 586926), (54, 391284), (72, 293463), (81, 260856), (108, 195642), (162, 130428), (216, 97821), (243, 86952), (324, 65214), (486, 43476), (648, 32607), (729, 28984), (972, 21738), (1458, 14492), (1944, 10869), (2916, 7246), (3623, 5832)]