21471872

素因数分解:

$2^7\times {\mathrm{271}}^1\times {\mathrm{619}}^1$

素因数の和:904

約数の個数: 32

約数和(自身を含む): 43003200

約数和(自身を除く): 21531328

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 271, 542, 619, 1084, 1238, 2168, 2476, 4336, 4952, 8672, 9904, 17344, 19808, 34688, 39616, 79232, 167749, 335498, 670996, 1341992, 2683984, 5367968, 10735936, 21471872]

約数ペア:

[(1, 21471872), (2, 10735936), (4, 5367968), (8, 2683984), (16, 1341992), (32, 670996), (64, 335498), (128, 167749), (271, 79232), (542, 39616), (619, 34688), (1084, 19808), (1238, 17344), (2168, 9904), (2476, 8672), (4336, 4952)]