21866095212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1\times {\mathrm{2857}}^1$

素因数の和:3639

約数の個数: 96

約数和(自身を含む): 55819620864

約数和(自身を除く): 33953525652

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 691, 852, 923, 1382, 1846, 2073, 2764, 2769, 2857, 3692, 4146, 5538, 5714, 8292, 8571, 8983, 11076, 11428, 17142, 17966, 26949, 34284, 35932, 37141, 49061, 53898, 74282, 98122, 107796, 111423, 147183, 148564, 196244, 202847, 222846, 294366, 405694, 445692, 588732, 608541, 637793, 811388, 1217082, 1275586, 1913379, 1974187, 2434164, 2551172, 2637011, 3826758, 3948374, 5274022, 5922561, 7653516, 7896748, 7911033, 10548044, 11845122, 15822066, 23690244, 25664431, 31644132, 51328862, 76993293, 102657724, 140167277, 153986586, 280334554, 307973172, 420501831, 560669108, 841003662, 1682007324, 1822174601, 3644349202, 5466523803, 7288698404, 10933047606, 21866095212]

約数ペア:

[(1, 21866095212), (2, 10933047606), (3, 7288698404), (4, 5466523803), (6, 3644349202), (12, 1822174601), (13, 1682007324), (26, 841003662), (39, 560669108), (52, 420501831), (71, 307973172), (78, 280334554), (142, 153986586), (156, 140167277), (213, 102657724), (284, 76993293), (426, 51328862), (691, 31644132), (852, 25664431), (923, 23690244), (1382, 15822066), (1846, 11845122), (2073, 10548044), (2764, 7911033), (2769, 7896748), (2857, 7653516), (3692, 5922561), (4146, 5274022), (5538, 3948374), (5714, 3826758), (8292, 2637011), (8571, 2551172), (8983, 2434164), (11076, 1974187), (11428, 1913379), (17142, 1275586), (17966, 1217082), (26949, 811388), (34284, 637793), (35932, 608541), (37141, 588732), (49061, 445692), (53898, 405694), (74282, 294366), (98122, 222846), (107796, 202847), (111423, 196244), (147183, 148564)]