21652320

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{571}}^1$

素因数の和:668

約数の個数: 96

約数和(自身を含む): 69189120

約数和(自身を除く): 47536800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 79, 80, 96, 120, 158, 160, 237, 240, 316, 395, 474, 480, 571, 632, 790, 948, 1142, 1185, 1264, 1580, 1713, 1896, 2284, 2370, 2528, 2855, 3160, 3426, 3792, 4568, 4740, 5710, 6320, 6852, 7584, 8565, 9136, 9480, 11420, 12640, 13704, 17130, 18272, 18960, 22840, 27408, 34260, 37920, 45109, 45680, 54816, 68520, 90218, 91360, 135327, 137040, 180436, 225545, 270654, 274080, 360872, 451090, 541308, 676635, 721744, 902180, 1082616, 1353270, 1443488, 1804360, 2165232, 2706540, 3608720, 4330464, 5413080, 7217440, 10826160, 21652320]

約数ペア:

[(1, 21652320), (2, 10826160), (3, 7217440), (4, 5413080), (5, 4330464), (6, 3608720), (8, 2706540), (10, 2165232), (12, 1804360), (15, 1443488), (16, 1353270), (20, 1082616), (24, 902180), (30, 721744), (32, 676635), (40, 541308), (48, 451090), (60, 360872), (79, 274080), (80, 270654), (96, 225545), (120, 180436), (158, 137040), (160, 135327), (237, 91360), (240, 90218), (316, 68520), (395, 54816), (474, 45680), (480, 45109), (571, 37920), (632, 34260), (790, 27408), (948, 22840), (1142, 18960), (1185, 18272), (1264, 17130), (1580, 13704), (1713, 12640), (1896, 11420), (2284, 9480), (2370, 9136), (2528, 8565), (2855, 7584), (3160, 6852), (3426, 6320), (3792, 5710), (4568, 4740)]