21224830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1229}}^1$

素因数の和:1404

約数の個数: 32

約数和(自身を含む): 41977440

約数和(自身を除く): 20752610

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 157, 314, 785, 1229, 1570, 1727, 2458, 3454, 6145, 8635, 12290, 13519, 17270, 27038, 67595, 135190, 192953, 385906, 964765, 1929530, 2122483, 4244966, 10612415, 21224830]

約数ペア:

[(1, 21224830), (2, 10612415), (5, 4244966), (10, 2122483), (11, 1929530), (22, 964765), (55, 385906), (110, 192953), (157, 135190), (314, 67595), (785, 27038), (1229, 17270), (1570, 13519), (1727, 12290), (2458, 8635), (3454, 6145)]