21503712

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{9739}}^1$

素因数の和:9775

約数の個数: 48

約数和(自身を含む): 58907520

約数和(自身を除く): 37403808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 552, 736, 1104, 2208, 9739, 19478, 29217, 38956, 58434, 77912, 116868, 155824, 223997, 233736, 311648, 447994, 467472, 671991, 895988, 934944, 1343982, 1791976, 2687964, 3583952, 5375928, 7167904, 10751856, 21503712]

約数ペア:

[(1, 21503712), (2, 10751856), (3, 7167904), (4, 5375928), (6, 3583952), (8, 2687964), (12, 1791976), (16, 1343982), (23, 934944), (24, 895988), (32, 671991), (46, 467472), (48, 447994), (69, 311648), (92, 233736), (96, 223997), (138, 155824), (184, 116868), (276, 77912), (368, 58434), (552, 38956), (736, 29217), (1104, 19478), (2208, 9739)]