21247632

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:325

約数の個数: 120

約数和(自身を含む): 68942016

約数和(自身を除く): 47694384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 107, 112, 126, 144, 168, 197, 214, 252, 321, 336, 394, 428, 504, 591, 642, 749, 788, 856, 963, 1008, 1182, 1284, 1379, 1498, 1576, 1712, 1773, 1926, 2247, 2364, 2568, 2758, 2996, 3152, 3546, 3852, 4137, 4494, 4728, 5136, 5516, 5992, 6741, 7092, 7704, 8274, 8988, 9456, 11032, 11984, 12411, 13482, 14184, 15408, 16548, 17976, 21079, 22064, 24822, 26964, 28368, 33096, 35952, 42158, 49644, 53928, 63237, 66192, 84316, 99288, 107856, 126474, 147553, 168632, 189711, 198576, 252948, 295106, 337264, 379422, 442659, 505896, 590212, 758844, 885318, 1011792, 1180424, 1327977, 1517688, 1770636, 2360848, 2655954, 3035376, 3541272, 5311908, 7082544, 10623816, 21247632]

約数ペア:

[(1, 21247632), (2, 10623816), (3, 7082544), (4, 5311908), (6, 3541272), (7, 3035376), (8, 2655954), (9, 2360848), (12, 1770636), (14, 1517688), (16, 1327977), (18, 1180424), (21, 1011792), (24, 885318), (28, 758844), (36, 590212), (42, 505896), (48, 442659), (56, 379422), (63, 337264), (72, 295106), (84, 252948), (107, 198576), (112, 189711), (126, 168632), (144, 147553), (168, 126474), (197, 107856), (214, 99288), (252, 84316), (321, 66192), (336, 63237), (394, 53928), (428, 49644), (504, 42158), (591, 35952), (642, 33096), (749, 28368), (788, 26964), (856, 24822), (963, 22064), (1008, 21079), (1182, 17976), (1284, 16548), (1379, 15408), (1498, 14184), (1576, 13482), (1712, 12411), (1773, 11984), (1926, 11032), (2247, 9456), (2364, 8988), (2568, 8274), (2758, 7704), (2996, 7092), (3152, 6741), (3546, 5992), (3852, 5516), (4137, 5136), (4494, 4728)]