21120768

素因数分解:

$2^8\times 3^2\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:214

約数の個数: 108

約数和(自身を含む): 62178480

約数和(自身を除く): 41057712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 89, 96, 103, 128, 144, 178, 192, 206, 256, 267, 288, 309, 356, 384, 412, 534, 576, 618, 712, 768, 801, 824, 927, 1068, 1152, 1236, 1424, 1602, 1648, 1854, 2136, 2304, 2472, 2848, 3204, 3296, 3708, 4272, 4944, 5696, 6408, 6592, 7416, 8544, 9167, 9888, 11392, 12816, 13184, 14832, 17088, 18334, 19776, 22784, 25632, 26368, 27501, 29664, 34176, 36668, 39552, 51264, 55002, 59328, 68352, 73336, 79104, 82503, 102528, 110004, 118656, 146672, 165006, 205056, 220008, 237312, 293344, 330012, 440016, 586688, 660024, 880032, 1173376, 1320048, 1760064, 2346752, 2640096, 3520128, 5280192, 7040256, 10560384, 21120768]

約数ペア:

[(1, 21120768), (2, 10560384), (3, 7040256), (4, 5280192), (6, 3520128), (8, 2640096), (9, 2346752), (12, 1760064), (16, 1320048), (18, 1173376), (24, 880032), (32, 660024), (36, 586688), (48, 440016), (64, 330012), (72, 293344), (89, 237312), (96, 220008), (103, 205056), (128, 165006), (144, 146672), (178, 118656), (192, 110004), (206, 102528), (256, 82503), (267, 79104), (288, 73336), (309, 68352), (356, 59328), (384, 55002), (412, 51264), (534, 39552), (576, 36668), (618, 34176), (712, 29664), (768, 27501), (801, 26368), (824, 25632), (927, 22784), (1068, 19776), (1152, 18334), (1236, 17088), (1424, 14832), (1602, 13184), (1648, 12816), (1854, 11392), (2136, 9888), (2304, 9167), (2472, 8544), (2848, 7416), (3204, 6592), (3296, 6408), (3708, 5696), (4272, 4944)]