21538304

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:131

約数の個数: 80

約数和(自身を含む): 47139840

約数和(自身を除く): 25601536

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 59, 62, 64, 92, 118, 124, 128, 184, 236, 248, 256, 368, 472, 496, 512, 713, 736, 944, 992, 1357, 1426, 1472, 1829, 1888, 1984, 2714, 2852, 2944, 3658, 3776, 3968, 5428, 5704, 5888, 7316, 7552, 7936, 10856, 11408, 11776, 14632, 15104, 15872, 21712, 22816, 29264, 30208, 42067, 43424, 45632, 58528, 84134, 86848, 91264, 117056, 168268, 173696, 182528, 234112, 336536, 347392, 365056, 468224, 673072, 694784, 936448, 1346144, 2692288, 5384576, 10769152, 21538304]

約数ペア:

[(1, 21538304), (2, 10769152), (4, 5384576), (8, 2692288), (16, 1346144), (23, 936448), (31, 694784), (32, 673072), (46, 468224), (59, 365056), (62, 347392), (64, 336536), (92, 234112), (118, 182528), (124, 173696), (128, 168268), (184, 117056), (236, 91264), (248, 86848), (256, 84134), (368, 58528), (472, 45632), (496, 43424), (512, 42067), (713, 30208), (736, 29264), (944, 22816), (992, 21712), (1357, 15872), (1426, 15104), (1472, 14632), (1829, 11776), (1888, 11408), (1984, 10856), (2714, 7936), (2852, 7552), (2944, 7316), (3658, 5888), (3776, 5704), (3968, 5428)]