21776160

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6481}}^1$

素因数の和:6506

約数の個数: 96

約数和(自身を含む): 78406272

約数和(自身を除く): 56630112

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6481, 12962, 19443, 25924, 32405, 38886, 45367, 51848, 64810, 77772, 90734, 97215, 103696, 129620, 136101, 155544, 181468, 194430, 207392, 226835, 259240, 272202, 311088, 362936, 388860, 453670, 518480, 544404, 622176, 680505, 725872, 777720, 907340, 1036960, 1088808, 1361010, 1451744, 1555440, 1814680, 2177616, 2722020, 3110880, 3629360, 4355232, 5444040, 7258720, 10888080, 21776160]

約数ペア:

[(1, 21776160), (2, 10888080), (3, 7258720), (4, 5444040), (5, 4355232), (6, 3629360), (7, 3110880), (8, 2722020), (10, 2177616), (12, 1814680), (14, 1555440), (15, 1451744), (16, 1361010), (20, 1088808), (21, 1036960), (24, 907340), (28, 777720), (30, 725872), (32, 680505), (35, 622176), (40, 544404), (42, 518480), (48, 453670), (56, 388860), (60, 362936), (70, 311088), (80, 272202), (84, 259240), (96, 226835), (105, 207392), (112, 194430), (120, 181468), (140, 155544), (160, 136101), (168, 129620), (210, 103696), (224, 97215), (240, 90734), (280, 77772), (336, 64810), (420, 51848), (480, 45367), (560, 38886), (672, 32405), (840, 25924), (1120, 19443), (1680, 12962), (3360, 6481)]