21407500380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{151247}}^1$

素因数の和:151603

約数の個数: 96

約数和(自身を含む): 68707731456

約数和(自身を除く): 47300231076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 337, 420, 674, 1011, 1348, 1685, 2022, 2359, 3370, 4044, 4718, 5055, 6740, 7077, 9436, 10110, 11795, 14154, 20220, 23590, 28308, 35385, 47180, 70770, 141540, 151247, 302494, 453741, 604988, 756235, 907482, 1058729, 1512470, 1814964, 2117458, 2268705, 3024940, 3176187, 4234916, 4537410, 5293645, 6352374, 9074820, 10587290, 12704748, 15880935, 21174580, 31761870, 50970239, 63523740, 101940478, 152910717, 203880956, 254851195, 305821434, 356791673, 509702390, 611642868, 713583346, 764553585, 1019404780, 1070375019, 1427166692, 1529107170, 1783958365, 2140750038, 3058214340, 3567916730, 4281500076, 5351875095, 7135833460, 10703750190, 21407500380]

約数ペア:

[(1, 21407500380), (2, 10703750190), (3, 7135833460), (4, 5351875095), (5, 4281500076), (6, 3567916730), (7, 3058214340), (10, 2140750038), (12, 1783958365), (14, 1529107170), (15, 1427166692), (20, 1070375019), (21, 1019404780), (28, 764553585), (30, 713583346), (35, 611642868), (42, 509702390), (60, 356791673), (70, 305821434), (84, 254851195), (105, 203880956), (140, 152910717), (210, 101940478), (337, 63523740), (420, 50970239), (674, 31761870), (1011, 21174580), (1348, 15880935), (1685, 12704748), (2022, 10587290), (2359, 9074820), (3370, 6352374), (4044, 5293645), (4718, 4537410), (5055, 4234916), (6740, 3176187), (7077, 3024940), (9436, 2268705), (10110, 2117458), (11795, 1814964), (14154, 1512470), (20220, 1058729), (23590, 907482), (28308, 756235), (35385, 604988), (47180, 453741), (70770, 302494), (141540, 151247)]