21742176

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 61205760

約数和(自身を除く): 39463584

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 43, 46, 48, 69, 86, 92, 96, 129, 138, 172, 184, 229, 258, 276, 344, 368, 458, 516, 552, 687, 688, 736, 916, 989, 1032, 1104, 1374, 1376, 1832, 1978, 2064, 2208, 2748, 2967, 3664, 3956, 4128, 5267, 5496, 5934, 7328, 7912, 9847, 10534, 10992, 11868, 15801, 15824, 19694, 21068, 21984, 23736, 29541, 31602, 31648, 39388, 42136, 47472, 59082, 63204, 78776, 84272, 94944, 118164, 126408, 157552, 168544, 226481, 236328, 252816, 315104, 452962, 472656, 505632, 679443, 905924, 945312, 1358886, 1811848, 2717772, 3623696, 5435544, 7247392, 10871088, 21742176]

約数ペア:

[(1, 21742176), (2, 10871088), (3, 7247392), (4, 5435544), (6, 3623696), (8, 2717772), (12, 1811848), (16, 1358886), (23, 945312), (24, 905924), (32, 679443), (43, 505632), (46, 472656), (48, 452962), (69, 315104), (86, 252816), (92, 236328), (96, 226481), (129, 168544), (138, 157552), (172, 126408), (184, 118164), (229, 94944), (258, 84272), (276, 78776), (344, 63204), (368, 59082), (458, 47472), (516, 42136), (552, 39388), (687, 31648), (688, 31602), (736, 29541), (916, 23736), (989, 21984), (1032, 21068), (1104, 19694), (1374, 15824), (1376, 15801), (1832, 11868), (1978, 10992), (2064, 10534), (2208, 9847), (2748, 7912), (2967, 7328), (3664, 5934), (3956, 5496), (4128, 5267)]