21052026

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{461}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 47567520

約数和(自身を除く): 26515494

約数列:

[1, 2, 3, 6, 9, 18, 43, 59, 86, 118, 129, 177, 258, 354, 387, 461, 531, 774, 922, 1062, 1383, 2537, 2766, 4149, 5074, 7611, 8298, 15222, 19823, 22833, 27199, 39646, 45666, 54398, 59469, 81597, 118938, 163194, 178407, 244791, 356814, 489582, 1169557, 2339114, 3508671, 7017342, 10526013, 21052026]

約数ペア:

[(1, 21052026), (2, 10526013), (3, 7017342), (6, 3508671), (9, 2339114), (18, 1169557), (43, 489582), (59, 356814), (86, 244791), (118, 178407), (129, 163194), (177, 118938), (258, 81597), (354, 59469), (387, 54398), (461, 45666), (531, 39646), (774, 27199), (922, 22833), (1062, 19823), (1383, 15222), (2537, 8298), (2766, 7611), (4149, 5074)]