21330816

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{4273}}^1$

素因数の和:4303

約数の個数: 64

約数和(自身を含む): 61032720

約数和(自身を除く): 39701904

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 312, 384, 416, 624, 832, 1248, 1664, 2496, 4273, 4992, 8546, 12819, 17092, 25638, 34184, 51276, 55549, 68368, 102552, 111098, 136736, 166647, 205104, 222196, 273472, 333294, 410208, 444392, 546944, 666588, 820416, 888784, 1333176, 1640832, 1777568, 2666352, 3555136, 5332704, 7110272, 10665408, 21330816]

約数ペア:

[(1, 21330816), (2, 10665408), (3, 7110272), (4, 5332704), (6, 3555136), (8, 2666352), (12, 1777568), (13, 1640832), (16, 1333176), (24, 888784), (26, 820416), (32, 666588), (39, 546944), (48, 444392), (52, 410208), (64, 333294), (78, 273472), (96, 222196), (104, 205104), (128, 166647), (156, 136736), (192, 111098), (208, 102552), (312, 68368), (384, 55549), (416, 51276), (624, 34184), (832, 25638), (1248, 17092), (1664, 12819), (2496, 8546), (4273, 4992)]