21744752

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1597}}^1$

素因数の和:1665

約数の個数: 40

約数和(自身を含む): 45178656

約数和(自身を除く): 23433904

約数列:

[1, 2, 4, 8, 16, 23, 37, 46, 74, 92, 148, 184, 296, 368, 592, 851, 1597, 1702, 3194, 3404, 6388, 6808, 12776, 13616, 25552, 36731, 59089, 73462, 118178, 146924, 236356, 293848, 472712, 587696, 945424, 1359047, 2718094, 5436188, 10872376, 21744752]

約数ペア:

[(1, 21744752), (2, 10872376), (4, 5436188), (8, 2718094), (16, 1359047), (23, 945424), (37, 587696), (46, 472712), (74, 293848), (92, 236356), (148, 146924), (184, 118178), (296, 73462), (368, 59089), (592, 36731), (851, 25552), (1597, 13616), (1702, 12776), (3194, 6808), (3404, 6388)]