21756336

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{887}}^1$

素因数の和:978

約数の個数: 80

約数和(自身を含む): 65186304

約数和(自身を除く): 43429968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 73, 84, 112, 146, 168, 219, 292, 336, 438, 511, 584, 876, 887, 1022, 1168, 1533, 1752, 1774, 2044, 2661, 3066, 3504, 3548, 4088, 5322, 6132, 6209, 7096, 8176, 10644, 12264, 12418, 14192, 18627, 21288, 24528, 24836, 37254, 42576, 49672, 64751, 74508, 99344, 129502, 149016, 194253, 259004, 298032, 388506, 453257, 518008, 777012, 906514, 1036016, 1359771, 1554024, 1813028, 2719542, 3108048, 3626056, 5439084, 7252112, 10878168, 21756336]

約数ペア:

[(1, 21756336), (2, 10878168), (3, 7252112), (4, 5439084), (6, 3626056), (7, 3108048), (8, 2719542), (12, 1813028), (14, 1554024), (16, 1359771), (21, 1036016), (24, 906514), (28, 777012), (42, 518008), (48, 453257), (56, 388506), (73, 298032), (84, 259004), (112, 194253), (146, 149016), (168, 129502), (219, 99344), (292, 74508), (336, 64751), (438, 49672), (511, 42576), (584, 37254), (876, 24836), (887, 24528), (1022, 21288), (1168, 18627), (1533, 14192), (1752, 12418), (1774, 12264), (2044, 10644), (2661, 8176), (3066, 7096), (3504, 6209), (3548, 6132), (4088, 5322)]