21363216

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:349

約数の個数: 120

約数和(自身を含む): 66495744

約数和(自身を除く): 45132528

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 42, 48, 49, 56, 62, 84, 93, 98, 112, 124, 147, 168, 186, 196, 217, 248, 293, 294, 336, 372, 392, 434, 496, 586, 588, 651, 744, 784, 868, 879, 1172, 1176, 1302, 1488, 1519, 1736, 1758, 2051, 2344, 2352, 2604, 3038, 3472, 3516, 4102, 4557, 4688, 5208, 6076, 6153, 7032, 8204, 9083, 9114, 10416, 12152, 12306, 14064, 14357, 16408, 18166, 18228, 24304, 24612, 27249, 28714, 32816, 36332, 36456, 43071, 49224, 54498, 57428, 63581, 72664, 72912, 86142, 98448, 108996, 114856, 127162, 145328, 172284, 190743, 217992, 229712, 254324, 344568, 381486, 435984, 445067, 508648, 689136, 762972, 890134, 1017296, 1335201, 1525944, 1780268, 2670402, 3051888, 3560536, 5340804, 7121072, 10681608, 21363216]

約数ペア:

[(1, 21363216), (2, 10681608), (3, 7121072), (4, 5340804), (6, 3560536), (7, 3051888), (8, 2670402), (12, 1780268), (14, 1525944), (16, 1335201), (21, 1017296), (24, 890134), (28, 762972), (31, 689136), (42, 508648), (48, 445067), (49, 435984), (56, 381486), (62, 344568), (84, 254324), (93, 229712), (98, 217992), (112, 190743), (124, 172284), (147, 145328), (168, 127162), (186, 114856), (196, 108996), (217, 98448), (248, 86142), (293, 72912), (294, 72664), (336, 63581), (372, 57428), (392, 54498), (434, 49224), (496, 43071), (586, 36456), (588, 36332), (651, 32816), (744, 28714), (784, 27249), (868, 24612), (879, 24304), (1172, 18228), (1176, 18166), (1302, 16408), (1488, 14357), (1519, 14064), (1736, 12306), (1758, 12152), (2051, 10416), (2344, 9114), (2352, 9083), (2604, 8204), (3038, 7032), (3472, 6153), (3516, 6076), (4102, 5208), (4557, 4688)]