21909498

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 53125632

約数和(自身を除く): 31216134

約数列:

[1, 2, 3, 6, 13, 17, 26, 31, 34, 39, 41, 51, 62, 78, 82, 93, 102, 123, 169, 186, 221, 246, 338, 403, 442, 507, 527, 533, 663, 697, 806, 1014, 1054, 1066, 1209, 1271, 1326, 1394, 1581, 1599, 2091, 2418, 2542, 2873, 3162, 3198, 3813, 4182, 5239, 5746, 6851, 6929, 7626, 8619, 9061, 10478, 13702, 13858, 15717, 16523, 17238, 18122, 20553, 20787, 21607, 27183, 31434, 33046, 41106, 41574, 43214, 49569, 54366, 64821, 89063, 99138, 117793, 129642, 178126, 214799, 235586, 267189, 280891, 353379, 429598, 534378, 561782, 644397, 706758, 842673, 1288794, 1685346, 3651583, 7303166, 10954749, 21909498]

約数ペア:

[(1, 21909498), (2, 10954749), (3, 7303166), (6, 3651583), (13, 1685346), (17, 1288794), (26, 842673), (31, 706758), (34, 644397), (39, 561782), (41, 534378), (51, 429598), (62, 353379), (78, 280891), (82, 267189), (93, 235586), (102, 214799), (123, 178126), (169, 129642), (186, 117793), (221, 99138), (246, 89063), (338, 64821), (403, 54366), (442, 49569), (507, 43214), (527, 41574), (533, 41106), (663, 33046), (697, 31434), (806, 27183), (1014, 21607), (1054, 20787), (1066, 20553), (1209, 18122), (1271, 17238), (1326, 16523), (1394, 15717), (1581, 13858), (1599, 13702), (2091, 10478), (2418, 9061), (2542, 8619), (2873, 7626), (3162, 6929), (3198, 6851), (3813, 5746), (4182, 5239)]