21442896

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{3463}}^1$

素因数の和:3520

約数の個数: 60

約数和(自身を含む): 61423648

約数和(自身を除く): 39980752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 1032, 1548, 2064, 3096, 3463, 6192, 6926, 10389, 13852, 20778, 27704, 31167, 41556, 55408, 62334, 83112, 124668, 148909, 166224, 249336, 297818, 446727, 498672, 595636, 893454, 1191272, 1340181, 1786908, 2382544, 2680362, 3573816, 5360724, 7147632, 10721448, 21442896]

約数ペア:

[(1, 21442896), (2, 10721448), (3, 7147632), (4, 5360724), (6, 3573816), (8, 2680362), (9, 2382544), (12, 1786908), (16, 1340181), (18, 1191272), (24, 893454), (36, 595636), (43, 498672), (48, 446727), (72, 297818), (86, 249336), (129, 166224), (144, 148909), (172, 124668), (258, 83112), (344, 62334), (387, 55408), (516, 41556), (688, 31167), (774, 27704), (1032, 20778), (1548, 13852), (2064, 10389), (3096, 6926), (3463, 6192)]