21167352396

素因数分解:

$2^2\times 3^2\times {\mathrm{397}}^1\times {\mathrm{557}}^1\times {\mathrm{2659}}^1$

素因数の和:3623

約数の個数: 72

約数和(自身を含む): 53757653040

約数和(自身を除く): 32590300644

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 397, 557, 794, 1114, 1191, 1588, 1671, 2228, 2382, 2659, 3342, 3573, 4764, 5013, 5318, 6684, 7146, 7977, 10026, 10636, 14292, 15954, 20052, 23931, 31908, 47862, 95724, 221129, 442258, 663387, 884516, 1055623, 1326774, 1481063, 1990161, 2111246, 2653548, 2962126, 3166869, 3980322, 4222492, 4443189, 5924252, 6333738, 7960644, 8886378, 9500607, 12667476, 13329567, 17772756, 19001214, 26659134, 38002428, 53318268, 587982011, 1175964022, 1763946033, 2351928044, 3527892066, 5291838099, 7055784132, 10583676198, 21167352396]

約数ペア:

[(1, 21167352396), (2, 10583676198), (3, 7055784132), (4, 5291838099), (6, 3527892066), (9, 2351928044), (12, 1763946033), (18, 1175964022), (36, 587982011), (397, 53318268), (557, 38002428), (794, 26659134), (1114, 19001214), (1191, 17772756), (1588, 13329567), (1671, 12667476), (2228, 9500607), (2382, 8886378), (2659, 7960644), (3342, 6333738), (3573, 5924252), (4764, 4443189), (5013, 4222492), (5318, 3980322), (6684, 3166869), (7146, 2962126), (7977, 2653548), (10026, 2111246), (10636, 1990161), (14292, 1481063), (15954, 1326774), (20052, 1055623), (23931, 884516), (31908, 663387), (47862, 442258), (95724, 221129)]