21546525

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:92

約数の個数: 144

約数和(自身を含む): 49871808

約数和(自身を除く): 28325283

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 25, 33, 35, 39, 41, 49, 55, 65, 75, 77, 91, 105, 123, 143, 147, 165, 175, 195, 205, 231, 245, 273, 275, 287, 325, 385, 429, 451, 455, 525, 533, 539, 615, 637, 715, 735, 825, 861, 975, 1001, 1025, 1155, 1225, 1353, 1365, 1435, 1599, 1617, 1911, 1925, 2009, 2145, 2255, 2275, 2665, 2695, 3003, 3075, 3157, 3185, 3575, 3675, 3731, 4305, 5005, 5775, 5863, 6027, 6765, 6825, 7007, 7175, 7995, 8085, 9471, 9555, 10045, 10725, 11193, 11275, 13325, 13475, 15015, 15785, 15925, 17589, 18655, 21021, 21525, 22099, 25025, 26117, 29315, 30135, 33825, 35035, 39975, 40425, 41041, 47355, 47775, 50225, 55965, 66297, 75075, 78351, 78925, 87945, 93275, 105105, 110495, 123123, 130585, 146575, 150675, 175175, 205205, 236775, 279825, 287287, 331485, 391755, 439725, 525525, 552475, 615615, 652925, 861861, 1026025, 1436435, 1657425, 1958775, 3078075, 4309305, 7182175, 21546525]

約数ペア:

[(1, 21546525), (3, 7182175), (5, 4309305), (7, 3078075), (11, 1958775), (13, 1657425), (15, 1436435), (21, 1026025), (25, 861861), (33, 652925), (35, 615615), (39, 552475), (41, 525525), (49, 439725), (55, 391755), (65, 331485), (75, 287287), (77, 279825), (91, 236775), (105, 205205), (123, 175175), (143, 150675), (147, 146575), (165, 130585), (175, 123123), (195, 110495), (205, 105105), (231, 93275), (245, 87945), (273, 78925), (275, 78351), (287, 75075), (325, 66297), (385, 55965), (429, 50225), (451, 47775), (455, 47355), (525, 41041), (533, 40425), (539, 39975), (615, 35035), (637, 33825), (715, 30135), (735, 29315), (825, 26117), (861, 25025), (975, 22099), (1001, 21525), (1025, 21021), (1155, 18655), (1225, 17589), (1353, 15925), (1365, 15785), (1435, 15015), (1599, 13475), (1617, 13325), (1911, 11275), (1925, 11193), (2009, 10725), (2145, 10045), (2255, 9555), (2275, 9471), (2665, 8085), (2695, 7995), (3003, 7175), (3075, 7007), (3157, 6825), (3185, 6765), (3575, 6027), (3675, 5863), (3731, 5775), (4305, 5005)]