21000388710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{863}}^1\times {\mathrm{115877}}^1$

素因数の和:116757

約数の個数: 64

約数和(自身を含む): 57668308992

約数和(自身を除く): 36667920282

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 863, 1726, 2589, 4315, 5178, 6041, 8630, 12082, 12945, 18123, 25890, 30205, 36246, 60410, 90615, 115877, 181230, 231754, 347631, 579385, 695262, 811139, 1158770, 1622278, 1738155, 2433417, 3476310, 4055695, 4866834, 8111390, 12167085, 24334170, 100001851, 200003702, 300005553, 500009255, 600011106, 700012957, 1000018510, 1400025914, 1500027765, 2100038871, 3000055530, 3500064785, 4200077742, 7000129570, 10500194355, 21000388710]

約数ペア:

[(1, 21000388710), (2, 10500194355), (3, 7000129570), (5, 4200077742), (6, 3500064785), (7, 3000055530), (10, 2100038871), (14, 1500027765), (15, 1400025914), (21, 1000018510), (30, 700012957), (35, 600011106), (42, 500009255), (70, 300005553), (105, 200003702), (210, 100001851), (863, 24334170), (1726, 12167085), (2589, 8111390), (4315, 4866834), (5178, 4055695), (6041, 3476310), (8630, 2433417), (12082, 1738155), (12945, 1622278), (18123, 1158770), (25890, 811139), (30205, 695262), (36246, 579385), (60410, 347631), (90615, 231754), (115877, 181230)]