21157056

素因数分解:

$2^6\times 3^2\times {\mathrm{23}}^1\times {\mathrm{1597}}^1$

素因数の和:1638

約数の個数: 84

約数和(自身を含む): 63319152

約数和(自身を除く): 42162096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 138, 144, 184, 192, 207, 276, 288, 368, 414, 552, 576, 736, 828, 1104, 1472, 1597, 1656, 2208, 3194, 3312, 4416, 4791, 6388, 6624, 9582, 12776, 13248, 14373, 19164, 25552, 28746, 36731, 38328, 51104, 57492, 73462, 76656, 102208, 110193, 114984, 146924, 153312, 220386, 229968, 293848, 306624, 330579, 440772, 459936, 587696, 661158, 881544, 919872, 1175392, 1322316, 1763088, 2350784, 2644632, 3526176, 5289264, 7052352, 10578528, 21157056]

約数ペア:

[(1, 21157056), (2, 10578528), (3, 7052352), (4, 5289264), (6, 3526176), (8, 2644632), (9, 2350784), (12, 1763088), (16, 1322316), (18, 1175392), (23, 919872), (24, 881544), (32, 661158), (36, 587696), (46, 459936), (48, 440772), (64, 330579), (69, 306624), (72, 293848), (92, 229968), (96, 220386), (138, 153312), (144, 146924), (184, 114984), (192, 110193), (207, 102208), (276, 76656), (288, 73462), (368, 57492), (414, 51104), (552, 38328), (576, 36731), (736, 28746), (828, 25552), (1104, 19164), (1472, 14373), (1597, 13248), (1656, 12776), (2208, 9582), (3194, 6624), (3312, 6388), (4416, 4791)]