21468174

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 55502496

約数和(自身を除く): 34034322

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 41, 42, 49, 78, 82, 91, 98, 123, 137, 147, 182, 246, 273, 274, 287, 294, 411, 533, 546, 574, 637, 822, 861, 959, 1066, 1274, 1599, 1722, 1781, 1911, 1918, 2009, 2877, 3198, 3562, 3731, 3822, 4018, 5343, 5617, 5754, 6027, 6713, 7462, 10686, 11193, 11234, 12054, 12467, 13426, 16851, 20139, 22386, 24934, 26117, 33702, 37401, 39319, 40278, 52234, 73021, 74802, 78351, 78638, 87269, 117957, 146042, 156702, 174538, 219063, 235914, 261807, 275233, 438126, 511147, 523614, 550466, 825699, 1022294, 1533441, 1651398, 3066882, 3578029, 7156058, 10734087, 21468174]

約数ペア:

[(1, 21468174), (2, 10734087), (3, 7156058), (6, 3578029), (7, 3066882), (13, 1651398), (14, 1533441), (21, 1022294), (26, 825699), (39, 550466), (41, 523614), (42, 511147), (49, 438126), (78, 275233), (82, 261807), (91, 235914), (98, 219063), (123, 174538), (137, 156702), (147, 146042), (182, 117957), (246, 87269), (273, 78638), (274, 78351), (287, 74802), (294, 73021), (411, 52234), (533, 40278), (546, 39319), (574, 37401), (637, 33702), (822, 26117), (861, 24934), (959, 22386), (1066, 20139), (1274, 16851), (1599, 13426), (1722, 12467), (1781, 12054), (1911, 11234), (1918, 11193), (2009, 10686), (2877, 7462), (3198, 6713), (3562, 6027), (3731, 5754), (3822, 5617), (4018, 5343)]