21167805390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{277}}^1\times {\mathrm{28621}}^1$

素因数の和:28997

約数の個数: 64

約数和(自身を含む): 51560815680

約数和(自身を除く): 30393010290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 277, 445, 534, 554, 831, 890, 1335, 1385, 1662, 2670, 2770, 4155, 8310, 24653, 28621, 49306, 57242, 73959, 85863, 123265, 143105, 147918, 171726, 246530, 286210, 369795, 429315, 739590, 858630, 2547269, 5094538, 7641807, 7928017, 12736345, 15283614, 15856034, 23784051, 25472690, 38209035, 39640085, 47568102, 76418070, 79280170, 118920255, 237840510, 705593513, 1411187026, 2116780539, 3527967565, 4233561078, 7055935130, 10583902695, 21167805390]

約数ペア:

[(1, 21167805390), (2, 10583902695), (3, 7055935130), (5, 4233561078), (6, 3527967565), (10, 2116780539), (15, 1411187026), (30, 705593513), (89, 237840510), (178, 118920255), (267, 79280170), (277, 76418070), (445, 47568102), (534, 39640085), (554, 38209035), (831, 25472690), (890, 23784051), (1335, 15856034), (1385, 15283614), (1662, 12736345), (2670, 7928017), (2770, 7641807), (4155, 5094538), (8310, 2547269), (24653, 858630), (28621, 739590), (49306, 429315), (57242, 369795), (73959, 286210), (85863, 246530), (123265, 171726), (143105, 147918)]