21266448

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{379}}^1$

素因数の和:564

約数の個数: 80

約数和(自身を含む): 63329280

約数和(自身を除く): 42062832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 167, 168, 334, 336, 379, 501, 668, 758, 1002, 1137, 1169, 1336, 1516, 2004, 2274, 2338, 2653, 2672, 3032, 3507, 4008, 4548, 4676, 5306, 6064, 7014, 7959, 8016, 9096, 9352, 10612, 14028, 15918, 18192, 18704, 21224, 28056, 31836, 42448, 56112, 63293, 63672, 126586, 127344, 189879, 253172, 379758, 443051, 506344, 759516, 886102, 1012688, 1329153, 1519032, 1772204, 2658306, 3038064, 3544408, 5316612, 7088816, 10633224, 21266448]

約数ペア:

[(1, 21266448), (2, 10633224), (3, 7088816), (4, 5316612), (6, 3544408), (7, 3038064), (8, 2658306), (12, 1772204), (14, 1519032), (16, 1329153), (21, 1012688), (24, 886102), (28, 759516), (42, 506344), (48, 443051), (56, 379758), (84, 253172), (112, 189879), (167, 127344), (168, 126586), (334, 63672), (336, 63293), (379, 56112), (501, 42448), (668, 31836), (758, 28056), (1002, 21224), (1137, 18704), (1169, 18192), (1336, 15918), (1516, 14028), (2004, 10612), (2274, 9352), (2338, 9096), (2653, 8016), (2672, 7959), (3032, 7014), (3507, 6064), (4008, 5306), (4548, 4676)]