21524416

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1$

素因数の和:633

約数の個数: 56

約数和(自身を含む): 46492160

約数和(自身を除く): 24967744

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 152, 248, 304, 496, 571, 589, 608, 992, 1142, 1178, 1216, 1984, 2284, 2356, 4568, 4712, 9136, 9424, 10849, 17701, 18272, 18848, 21698, 35402, 36544, 37696, 43396, 70804, 86792, 141608, 173584, 283216, 336319, 347168, 566432, 672638, 694336, 1132864, 1345276, 2690552, 5381104, 10762208, 21524416]

約数ペア:

[(1, 21524416), (2, 10762208), (4, 5381104), (8, 2690552), (16, 1345276), (19, 1132864), (31, 694336), (32, 672638), (38, 566432), (62, 347168), (64, 336319), (76, 283216), (124, 173584), (152, 141608), (248, 86792), (304, 70804), (496, 43396), (571, 37696), (589, 36544), (608, 35402), (992, 21698), (1142, 18848), (1178, 18272), (1216, 17701), (1984, 10849), (2284, 9424), (2356, 9136), (4568, 4712)]