21554880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{22453}}^1$

素因数の和:22473

約数の個数: 56

約数和(自身を含む): 68439792

約数和(自身を除く): 46884912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 22453, 44906, 67359, 89812, 112265, 134718, 179624, 224530, 269436, 336795, 359248, 449060, 538872, 673590, 718496, 898120, 1077744, 1347180, 1436992, 1796240, 2155488, 2694360, 3592480, 4310976, 5388720, 7184960, 10777440, 21554880]

約数ペア:

[(1, 21554880), (2, 10777440), (3, 7184960), (4, 5388720), (5, 4310976), (6, 3592480), (8, 2694360), (10, 2155488), (12, 1796240), (15, 1436992), (16, 1347180), (20, 1077744), (24, 898120), (30, 718496), (32, 673590), (40, 538872), (48, 449060), (60, 359248), (64, 336795), (80, 269436), (96, 224530), (120, 179624), (160, 134718), (192, 112265), (240, 89812), (320, 67359), (480, 44906), (960, 22453)]