21434985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3331}}^1$

素因数の和:3366

約数の個数: 48

約数和(自身を含む): 43662528

約数和(自身を除く): 22227543

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 99, 117, 143, 165, 195, 429, 495, 585, 715, 1287, 2145, 3331, 6435, 9993, 16655, 29979, 36641, 43303, 49965, 109923, 129909, 149895, 183205, 216515, 329769, 389727, 476333, 549615, 649545, 1428999, 1648845, 1948635, 2381665, 4286997, 7144995, 21434985]

約数ペア:

[(1, 21434985), (3, 7144995), (5, 4286997), (9, 2381665), (11, 1948635), (13, 1648845), (15, 1428999), (33, 649545), (39, 549615), (45, 476333), (55, 389727), (65, 329769), (99, 216515), (117, 183205), (143, 149895), (165, 129909), (195, 109923), (429, 49965), (495, 43303), (585, 36641), (715, 29979), (1287, 16655), (2145, 9993), (3331, 6435)]