21503934

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{20959}}^1$

素因数の和:20989

約数の個数: 32

約数和(自身を含む): 50304000

約数和(自身を除く): 28800066

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 171, 342, 513, 1026, 20959, 41918, 62877, 125754, 188631, 377262, 398221, 565893, 796442, 1131786, 1194663, 2389326, 3583989, 7167978, 10751967, 21503934]

約数ペア:

[(1, 21503934), (2, 10751967), (3, 7167978), (6, 3583989), (9, 2389326), (18, 1194663), (19, 1131786), (27, 796442), (38, 565893), (54, 398221), (57, 377262), (114, 188631), (171, 125754), (342, 62877), (513, 41918), (1026, 20959)]