21864640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:294

約数の個数: 112

約数和(自身を含む): 61155072

約数和(自身を除く): 39290432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 140, 160, 172, 215, 224, 227, 280, 301, 320, 344, 430, 448, 454, 560, 602, 688, 860, 908, 1120, 1135, 1204, 1376, 1505, 1589, 1720, 1816, 2240, 2270, 2408, 2752, 3010, 3178, 3440, 3632, 4540, 4816, 6020, 6356, 6880, 7264, 7945, 9080, 9632, 9761, 12040, 12712, 13760, 14528, 15890, 18160, 19264, 19522, 24080, 25424, 31780, 36320, 39044, 48160, 48805, 50848, 63560, 68327, 72640, 78088, 96320, 97610, 101696, 127120, 136654, 156176, 195220, 254240, 273308, 312352, 341635, 390440, 508480, 546616, 624704, 683270, 780880, 1093232, 1366540, 1561760, 2186464, 2733080, 3123520, 4372928, 5466160, 10932320, 21864640]

約数ペア:

[(1, 21864640), (2, 10932320), (4, 5466160), (5, 4372928), (7, 3123520), (8, 2733080), (10, 2186464), (14, 1561760), (16, 1366540), (20, 1093232), (28, 780880), (32, 683270), (35, 624704), (40, 546616), (43, 508480), (56, 390440), (64, 341635), (70, 312352), (80, 273308), (86, 254240), (112, 195220), (140, 156176), (160, 136654), (172, 127120), (215, 101696), (224, 97610), (227, 96320), (280, 78088), (301, 72640), (320, 68327), (344, 63560), (430, 50848), (448, 48805), (454, 48160), (560, 39044), (602, 36320), (688, 31780), (860, 25424), (908, 24080), (1120, 19522), (1135, 19264), (1204, 18160), (1376, 15890), (1505, 14528), (1589, 13760), (1720, 12712), (1816, 12040), (2240, 9761), (2270, 9632), (2408, 9080), (2752, 7945), (3010, 7264), (3178, 6880), (3440, 6356), (3632, 6020), (4540, 4816)]