21723621760

素因数分解:

$2^7\times 5^1\times {\mathrm{3169}}^1\times {\mathrm{10711}}^1$

素因数の和:13899

約数の個数: 64

約数和(自身を含む): 51954271200

約数和(自身を除く): 30230649440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 3169, 6338, 10711, 12676, 15845, 21422, 25352, 31690, 42844, 50704, 53555, 63380, 85688, 101408, 107110, 126760, 171376, 202816, 214220, 253520, 342752, 405632, 428440, 507040, 685504, 856880, 1014080, 1371008, 1713760, 2028160, 3427520, 6855040, 33943159, 67886318, 135772636, 169715795, 271545272, 339431590, 543090544, 678863180, 1086181088, 1357726360, 2172362176, 2715452720, 4344724352, 5430905440, 10861810880, 21723621760]

約数ペア:

[(1, 21723621760), (2, 10861810880), (4, 5430905440), (5, 4344724352), (8, 2715452720), (10, 2172362176), (16, 1357726360), (20, 1086181088), (32, 678863180), (40, 543090544), (64, 339431590), (80, 271545272), (128, 169715795), (160, 135772636), (320, 67886318), (640, 33943159), (3169, 6855040), (6338, 3427520), (10711, 2028160), (12676, 1713760), (15845, 1371008), (21422, 1014080), (25352, 856880), (31690, 685504), (42844, 507040), (50704, 428440), (53555, 405632), (63380, 342752), (85688, 253520), (101408, 214220), (107110, 202816), (126760, 171376)]