21167962030

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1\times {\mathrm{1013}}^1$

素因数の和:1605

約数の個数: 64

約数和(自身を含む): 39384895680

約数和(自身を除く): 18216933650

約数列:

[1, 2, 5, 10, 53, 89, 106, 178, 265, 443, 445, 530, 886, 890, 1013, 2026, 2215, 4430, 4717, 5065, 9434, 10130, 23479, 23585, 39427, 46958, 47170, 53689, 78854, 90157, 107378, 117395, 180314, 197135, 234790, 268445, 394270, 448759, 450785, 536890, 897518, 901570, 2089631, 2243795, 4179262, 4487590, 4778321, 9556642, 10448155, 20896310, 23784227, 23891605, 39939551, 47568454, 47783210, 79879102, 118921135, 199697755, 237842270, 399395510, 2116796203, 4233592406, 10583981015, 21167962030]

約数ペア:

[(1, 21167962030), (2, 10583981015), (5, 4233592406), (10, 2116796203), (53, 399395510), (89, 237842270), (106, 199697755), (178, 118921135), (265, 79879102), (443, 47783210), (445, 47568454), (530, 39939551), (886, 23891605), (890, 23784227), (1013, 20896310), (2026, 10448155), (2215, 9556642), (4430, 4778321), (4717, 4487590), (5065, 4179262), (9434, 2243795), (10130, 2089631), (23479, 901570), (23585, 897518), (39427, 536890), (46958, 450785), (47170, 448759), (53689, 394270), (78854, 268445), (90157, 234790), (107378, 197135), (117395, 180314)]