21813064

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{83}}^1$

素因数の和:147

約数の個数: 96

約数和(自身を含む): 53766720

約数和(自身を除く): 31953656

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 83, 91, 104, 133, 152, 166, 182, 247, 266, 332, 361, 364, 494, 532, 581, 664, 722, 728, 988, 1064, 1079, 1162, 1444, 1577, 1729, 1976, 2158, 2324, 2527, 2888, 3154, 3458, 4316, 4648, 4693, 5054, 6308, 6916, 7553, 8632, 9386, 10108, 11039, 12616, 13832, 15106, 18772, 20216, 20501, 22078, 29963, 30212, 32851, 37544, 41002, 44156, 59926, 60424, 65702, 82004, 88312, 119852, 131404, 143507, 164008, 209741, 239704, 262808, 287014, 389519, 419482, 574028, 779038, 838964, 1148056, 1558076, 1677928, 2726633, 3116152, 5453266, 10906532, 21813064]

約数ペア:

[(1, 21813064), (2, 10906532), (4, 5453266), (7, 3116152), (8, 2726633), (13, 1677928), (14, 1558076), (19, 1148056), (26, 838964), (28, 779038), (38, 574028), (52, 419482), (56, 389519), (76, 287014), (83, 262808), (91, 239704), (104, 209741), (133, 164008), (152, 143507), (166, 131404), (182, 119852), (247, 88312), (266, 82004), (332, 65702), (361, 60424), (364, 59926), (494, 44156), (532, 41002), (581, 37544), (664, 32851), (722, 30212), (728, 29963), (988, 22078), (1064, 20501), (1079, 20216), (1162, 18772), (1444, 15106), (1577, 13832), (1729, 12616), (1976, 11039), (2158, 10108), (2324, 9386), (2527, 8632), (2888, 7553), (3154, 6916), (3458, 6308), (4316, 5054), (4648, 4693)]