21583254

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 56383488

約数和(自身を除く): 34800234

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 31, 33, 42, 62, 66, 77, 93, 121, 137, 154, 186, 217, 231, 242, 274, 341, 363, 411, 434, 462, 651, 682, 726, 822, 847, 959, 1023, 1302, 1507, 1694, 1918, 2046, 2387, 2541, 2877, 3014, 3751, 4247, 4521, 4774, 5082, 5754, 7161, 7502, 8494, 9042, 10549, 11253, 12741, 14322, 16577, 21098, 22506, 25482, 26257, 29729, 31647, 33154, 46717, 49731, 52514, 59458, 63294, 78771, 89187, 93434, 99462, 116039, 140151, 157542, 178374, 232078, 280302, 327019, 348117, 513887, 654038, 696234, 981057, 1027774, 1541661, 1962114, 3083322, 3597209, 7194418, 10791627, 21583254]

約数ペア:

[(1, 21583254), (2, 10791627), (3, 7194418), (6, 3597209), (7, 3083322), (11, 1962114), (14, 1541661), (21, 1027774), (22, 981057), (31, 696234), (33, 654038), (42, 513887), (62, 348117), (66, 327019), (77, 280302), (93, 232078), (121, 178374), (137, 157542), (154, 140151), (186, 116039), (217, 99462), (231, 93434), (242, 89187), (274, 78771), (341, 63294), (363, 59458), (411, 52514), (434, 49731), (462, 46717), (651, 33154), (682, 31647), (726, 29729), (822, 26257), (847, 25482), (959, 22506), (1023, 21098), (1302, 16577), (1507, 14322), (1694, 12741), (1918, 11253), (2046, 10549), (2387, 9042), (2541, 8494), (2877, 7502), (3014, 7161), (3751, 5754), (4247, 5082), (4521, 4774)]