21984270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:366

約数の個数: 128

約数和(自身を含む): 68124672

約数和(自身を除く): 46140402

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 31, 33, 35, 42, 55, 62, 66, 70, 77, 93, 105, 110, 154, 155, 165, 186, 210, 217, 231, 307, 310, 330, 341, 385, 434, 462, 465, 614, 651, 682, 770, 921, 930, 1023, 1085, 1155, 1302, 1535, 1705, 1842, 2046, 2149, 2170, 2310, 2387, 3070, 3255, 3377, 3410, 4298, 4605, 4774, 5115, 6447, 6510, 6754, 7161, 9210, 9517, 10131, 10230, 10745, 11935, 12894, 14322, 16885, 19034, 20262, 21490, 23639, 23870, 28551, 32235, 33770, 35805, 47278, 47585, 50655, 57102, 64470, 66619, 70917, 71610, 95170, 101310, 104687, 118195, 133238, 141834, 142755, 199857, 209374, 236390, 285510, 314061, 333095, 354585, 399714, 523435, 628122, 666190, 709170, 732809, 999285, 1046870, 1465618, 1570305, 1998570, 2198427, 3140610, 3664045, 4396854, 7328090, 10992135, 21984270]

約数ペア:

[(1, 21984270), (2, 10992135), (3, 7328090), (5, 4396854), (6, 3664045), (7, 3140610), (10, 2198427), (11, 1998570), (14, 1570305), (15, 1465618), (21, 1046870), (22, 999285), (30, 732809), (31, 709170), (33, 666190), (35, 628122), (42, 523435), (55, 399714), (62, 354585), (66, 333095), (70, 314061), (77, 285510), (93, 236390), (105, 209374), (110, 199857), (154, 142755), (155, 141834), (165, 133238), (186, 118195), (210, 104687), (217, 101310), (231, 95170), (307, 71610), (310, 70917), (330, 66619), (341, 64470), (385, 57102), (434, 50655), (462, 47585), (465, 47278), (614, 35805), (651, 33770), (682, 32235), (770, 28551), (921, 23870), (930, 23639), (1023, 21490), (1085, 20262), (1155, 19034), (1302, 16885), (1535, 14322), (1705, 12894), (1842, 11935), (2046, 10745), (2149, 10230), (2170, 10131), (2310, 9517), (2387, 9210), (3070, 7161), (3255, 6754), (3377, 6510), (3410, 6447), (4298, 5115), (4605, 4774)]