21671370

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{839}}^1$

素因数の和:900

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 44372790

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 41, 42, 45, 63, 70, 82, 90, 105, 123, 126, 205, 210, 246, 287, 315, 369, 410, 574, 615, 630, 738, 839, 861, 1230, 1435, 1678, 1722, 1845, 2517, 2583, 2870, 3690, 4195, 4305, 5034, 5166, 5873, 7551, 8390, 8610, 11746, 12585, 12915, 15102, 17619, 25170, 25830, 29365, 34399, 35238, 37755, 52857, 58730, 68798, 75510, 88095, 103197, 105714, 171995, 176190, 206394, 240793, 264285, 309591, 343990, 481586, 515985, 528570, 619182, 722379, 1031970, 1203965, 1444758, 1547955, 2167137, 2407930, 3095910, 3611895, 4334274, 7223790, 10835685, 21671370]

約数ペア:

[(1, 21671370), (2, 10835685), (3, 7223790), (5, 4334274), (6, 3611895), (7, 3095910), (9, 2407930), (10, 2167137), (14, 1547955), (15, 1444758), (18, 1203965), (21, 1031970), (30, 722379), (35, 619182), (41, 528570), (42, 515985), (45, 481586), (63, 343990), (70, 309591), (82, 264285), (90, 240793), (105, 206394), (123, 176190), (126, 171995), (205, 105714), (210, 103197), (246, 88095), (287, 75510), (315, 68798), (369, 58730), (410, 52857), (574, 37755), (615, 35238), (630, 34399), (738, 29365), (839, 25830), (861, 25170), (1230, 17619), (1435, 15102), (1678, 12915), (1722, 12585), (1845, 11746), (2517, 8610), (2583, 8390), (2870, 7551), (3690, 5873), (4195, 5166), (4305, 5034)]