21519128832

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{1474721}}^1$

素因数の和:1474759

約数の個数: 72

約数和(自身を含む): 60286635360

約数和(自身を除く): 38767506528

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 256, 304, 384, 456, 608, 768, 912, 1216, 1824, 2432, 3648, 4864, 7296, 14592, 1474721, 2949442, 4424163, 5898884, 8848326, 11797768, 17696652, 23595536, 28019699, 35393304, 47191072, 56039398, 70786608, 84059097, 94382144, 112078796, 141573216, 168118194, 188764288, 224157592, 283146432, 336236388, 377528576, 448315184, 566292864, 672472776, 896630368, 1132585728, 1344945552, 1793260736, 2689891104, 3586521472, 5379782208, 7173042944, 10759564416, 21519128832]

約数ペア:

[(1, 21519128832), (2, 10759564416), (3, 7173042944), (4, 5379782208), (6, 3586521472), (8, 2689891104), (12, 1793260736), (16, 1344945552), (19, 1132585728), (24, 896630368), (32, 672472776), (38, 566292864), (48, 448315184), (57, 377528576), (64, 336236388), (76, 283146432), (96, 224157592), (114, 188764288), (128, 168118194), (152, 141573216), (192, 112078796), (228, 94382144), (256, 84059097), (304, 70786608), (384, 56039398), (456, 47191072), (608, 35393304), (768, 28019699), (912, 23595536), (1216, 17696652), (1824, 11797768), (2432, 8848326), (3648, 5898884), (4864, 4424163), (7296, 2949442), (14592, 1474721)]