21975040

素因数分解:

$2^{12}\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:95

約数の個数: 104

約数和(自身を含む): 56026440

約数和(自身を除く): 34051400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 37, 40, 58, 64, 74, 80, 116, 128, 145, 148, 160, 185, 232, 256, 290, 296, 320, 370, 464, 512, 580, 592, 640, 740, 928, 1024, 1073, 1160, 1184, 1280, 1480, 1856, 2048, 2146, 2320, 2368, 2560, 2960, 3712, 4096, 4292, 4640, 4736, 5120, 5365, 5920, 7424, 8584, 9280, 9472, 10240, 10730, 11840, 14848, 17168, 18560, 18944, 20480, 21460, 23680, 29696, 34336, 37120, 37888, 42920, 47360, 59392, 68672, 74240, 75776, 85840, 94720, 118784, 137344, 148480, 151552, 171680, 189440, 274688, 296960, 343360, 378880, 549376, 593920, 686720, 757760, 1098752, 1373440, 2197504, 2746880, 4395008, 5493760, 10987520, 21975040]

約数ペア:

[(1, 21975040), (2, 10987520), (4, 5493760), (5, 4395008), (8, 2746880), (10, 2197504), (16, 1373440), (20, 1098752), (29, 757760), (32, 686720), (37, 593920), (40, 549376), (58, 378880), (64, 343360), (74, 296960), (80, 274688), (116, 189440), (128, 171680), (145, 151552), (148, 148480), (160, 137344), (185, 118784), (232, 94720), (256, 85840), (290, 75776), (296, 74240), (320, 68672), (370, 59392), (464, 47360), (512, 42920), (580, 37888), (592, 37120), (640, 34336), (740, 29696), (928, 23680), (1024, 21460), (1073, 20480), (1160, 18944), (1184, 18560), (1280, 17168), (1480, 14848), (1856, 11840), (2048, 10730), (2146, 10240), (2320, 9472), (2368, 9280), (2560, 8584), (2960, 7424), (3712, 5920), (4096, 5365), (4292, 5120), (4640, 4736)]