21812154

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{439}}^1$

素因数の和:484

約数の個数: 72

約数和(自身を含む): 55075680

約数和(自身を除く): 33263526

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 78, 91, 98, 147, 169, 182, 273, 294, 338, 439, 507, 546, 637, 878, 1014, 1183, 1274, 1317, 1911, 2366, 2634, 3073, 3549, 3822, 5707, 6146, 7098, 8281, 9219, 11414, 16562, 17121, 18438, 21511, 24843, 34242, 39949, 43022, 49686, 64533, 74191, 79898, 119847, 129066, 148382, 222573, 239694, 279643, 445146, 519337, 559286, 838929, 1038674, 1558011, 1677858, 3116022, 3635359, 7270718, 10906077, 21812154]

約数ペア:

[(1, 21812154), (2, 10906077), (3, 7270718), (6, 3635359), (7, 3116022), (13, 1677858), (14, 1558011), (21, 1038674), (26, 838929), (39, 559286), (42, 519337), (49, 445146), (78, 279643), (91, 239694), (98, 222573), (147, 148382), (169, 129066), (182, 119847), (273, 79898), (294, 74191), (338, 64533), (439, 49686), (507, 43022), (546, 39949), (637, 34242), (878, 24843), (1014, 21511), (1183, 18438), (1274, 17121), (1317, 16562), (1911, 11414), (2366, 9219), (2634, 8281), (3073, 7098), (3549, 6146), (3822, 5707)]