21925764

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{521}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 63842688

約数和(自身を除く): 41916924

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 167, 252, 334, 501, 521, 668, 1002, 1042, 1169, 1503, 1563, 2004, 2084, 2338, 3006, 3126, 3507, 3647, 4676, 4689, 6012, 6252, 7014, 7294, 9378, 10521, 10941, 14028, 14588, 18756, 21042, 21882, 32823, 42084, 43764, 65646, 87007, 131292, 174014, 261021, 348028, 522042, 609049, 783063, 1044084, 1218098, 1566126, 1827147, 2436196, 3132252, 3654294, 5481441, 7308588, 10962882, 21925764]

約数ペア:

[(1, 21925764), (2, 10962882), (3, 7308588), (4, 5481441), (6, 3654294), (7, 3132252), (9, 2436196), (12, 1827147), (14, 1566126), (18, 1218098), (21, 1044084), (28, 783063), (36, 609049), (42, 522042), (63, 348028), (84, 261021), (126, 174014), (167, 131292), (252, 87007), (334, 65646), (501, 43764), (521, 42084), (668, 32823), (1002, 21882), (1042, 21042), (1169, 18756), (1503, 14588), (1563, 14028), (2004, 10941), (2084, 10521), (2338, 9378), (3006, 7294), (3126, 7014), (3507, 6252), (3647, 6012), (4676, 4689)]