21796256

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{449}}^1$

素因数の和:537

約数の個数: 48

約数和(自身を含む): 45246600

約数和(自身を除く): 23450344

約数列:

[1, 2, 4, 8, 16, 32, 37, 41, 74, 82, 148, 164, 296, 328, 449, 592, 656, 898, 1184, 1312, 1517, 1796, 3034, 3592, 6068, 7184, 12136, 14368, 16613, 18409, 24272, 33226, 36818, 48544, 66452, 73636, 132904, 147272, 265808, 294544, 531616, 589088, 681133, 1362266, 2724532, 5449064, 10898128, 21796256]

約数ペア:

[(1, 21796256), (2, 10898128), (4, 5449064), (8, 2724532), (16, 1362266), (32, 681133), (37, 589088), (41, 531616), (74, 294544), (82, 265808), (148, 147272), (164, 132904), (296, 73636), (328, 66452), (449, 48544), (592, 36818), (656, 33226), (898, 24272), (1184, 18409), (1312, 16613), (1517, 14368), (1796, 12136), (3034, 7184), (3592, 6068)]