21721476

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11243}}^1$

素因数の和:11280

約数の個数: 48

約数和(自身を含む): 60447744

約数和(自身を除く): 38726268

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 11243, 22486, 33729, 44972, 67458, 78701, 134916, 157402, 236103, 258589, 314804, 472206, 517178, 775767, 944412, 1034356, 1551534, 1810123, 3103068, 3620246, 5430369, 7240492, 10860738, 21721476]

約数ペア:

[(1, 21721476), (2, 10860738), (3, 7240492), (4, 5430369), (6, 3620246), (7, 3103068), (12, 1810123), (14, 1551534), (21, 1034356), (23, 944412), (28, 775767), (42, 517178), (46, 472206), (69, 314804), (84, 258589), (92, 236103), (138, 157402), (161, 134916), (276, 78701), (322, 67458), (483, 44972), (644, 33729), (966, 22486), (1932, 11243)]