21286704

素因数分解:

$2^4\times 3^1\times {\mathrm{67}}^1\times {\mathrm{6619}}^1$

素因数の和:6697

約数の個数: 40

約数和(自身を含む): 55819840

約数和(自身を除く): 34533136

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 67, 134, 201, 268, 402, 536, 804, 1072, 1608, 3216, 6619, 13238, 19857, 26476, 39714, 52952, 79428, 105904, 158856, 317712, 443473, 886946, 1330419, 1773892, 2660838, 3547784, 5321676, 7095568, 10643352, 21286704]

約数ペア:

[(1, 21286704), (2, 10643352), (3, 7095568), (4, 5321676), (6, 3547784), (8, 2660838), (12, 1773892), (16, 1330419), (24, 886946), (48, 443473), (67, 317712), (134, 158856), (201, 105904), (268, 79428), (402, 52952), (536, 39714), (804, 26476), (1072, 19857), (1608, 13238), (3216, 6619)]