21811584

素因数分解:

$2^7\times 3^1\times {\mathrm{79}}^1\times {\mathrm{719}}^1$

素因数の和:815

約数の個数: 64

約数和(自身を含む): 58752000

約数和(自身を除く): 36940416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 79, 96, 128, 158, 192, 237, 316, 384, 474, 632, 719, 948, 1264, 1438, 1896, 2157, 2528, 2876, 3792, 4314, 5056, 5752, 7584, 8628, 10112, 11504, 15168, 17256, 23008, 30336, 34512, 46016, 56801, 69024, 92032, 113602, 138048, 170403, 227204, 276096, 340806, 454408, 681612, 908816, 1363224, 1817632, 2726448, 3635264, 5452896, 7270528, 10905792, 21811584]

約数ペア:

[(1, 21811584), (2, 10905792), (3, 7270528), (4, 5452896), (6, 3635264), (8, 2726448), (12, 1817632), (16, 1363224), (24, 908816), (32, 681612), (48, 454408), (64, 340806), (79, 276096), (96, 227204), (128, 170403), (158, 138048), (192, 113602), (237, 92032), (316, 69024), (384, 56801), (474, 46016), (632, 34512), (719, 30336), (948, 23008), (1264, 17256), (1438, 15168), (1896, 11504), (2157, 10112), (2528, 8628), (2876, 7584), (3792, 5752), (4314, 5056)]