21503950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33083}}^1$

素因数の和:33108

約数の個数: 24

約数和(自身を含む): 43075368

約数和(自身を除く): 21571418

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 33083, 66166, 165415, 330830, 430079, 827075, 860158, 1654150, 2150395, 4300790, 10751975, 21503950]

約数ペア:

[(1, 21503950), (2, 10751975), (5, 4300790), (10, 2150395), (13, 1654150), (25, 860158), (26, 827075), (50, 430079), (65, 330830), (130, 165415), (325, 66166), (650, 33083)]