21911616

素因数分解:

$2^6\times 3^2\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:476

約数の個数: 84

約数和(自身を含む): 63563500

約数和(自身を除く): 41651884

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 109, 144, 192, 218, 288, 327, 349, 436, 576, 654, 698, 872, 981, 1047, 1308, 1396, 1744, 1962, 2094, 2616, 2792, 3141, 3488, 3924, 4188, 5232, 5584, 6282, 6976, 7848, 8376, 10464, 11168, 12564, 15696, 16752, 20928, 22336, 25128, 31392, 33504, 38041, 50256, 62784, 67008, 76082, 100512, 114123, 152164, 201024, 228246, 304328, 342369, 456492, 608656, 684738, 912984, 1217312, 1369476, 1825968, 2434624, 2738952, 3651936, 5477904, 7303872, 10955808, 21911616]

約数ペア:

[(1, 21911616), (2, 10955808), (3, 7303872), (4, 5477904), (6, 3651936), (8, 2738952), (9, 2434624), (12, 1825968), (16, 1369476), (18, 1217312), (24, 912984), (32, 684738), (36, 608656), (48, 456492), (64, 342369), (72, 304328), (96, 228246), (109, 201024), (144, 152164), (192, 114123), (218, 100512), (288, 76082), (327, 67008), (349, 62784), (436, 50256), (576, 38041), (654, 33504), (698, 31392), (872, 25128), (981, 22336), (1047, 20928), (1308, 16752), (1396, 15696), (1744, 12564), (1962, 11168), (2094, 10464), (2616, 8376), (2792, 7848), (3141, 6976), (3488, 6282), (3924, 5584), (4188, 5232)]