21904431486

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{213481}}^1$

素因数の和:213849

約数の個数: 48

約数和(自身を含む): 51107590800

約数和(自身を除く): 29203159314

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 349, 698, 1047, 2094, 2443, 4886, 7329, 14658, 17101, 34202, 51303, 102606, 213481, 426962, 640443, 1280886, 1494367, 2988734, 4483101, 8966202, 10460569, 20921138, 31381707, 62763414, 74504869, 149009738, 223514607, 447029214, 521534083, 1043068166, 1564602249, 3129204498, 3650738581, 7301477162, 10952215743, 21904431486]

約数ペア:

[(1, 21904431486), (2, 10952215743), (3, 7301477162), (6, 3650738581), (7, 3129204498), (14, 1564602249), (21, 1043068166), (42, 521534083), (49, 447029214), (98, 223514607), (147, 149009738), (294, 74504869), (349, 62763414), (698, 31381707), (1047, 20921138), (2094, 10460569), (2443, 8966202), (4886, 4483101), (7329, 2988734), (14658, 1494367), (17101, 1280886), (34202, 640443), (51303, 426962), (102606, 213481)]