21643890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:132

約数の個数: 96

約数和(自身を含む): 58351104

約数和(自身を除く): 36707214

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 31, 34, 37, 51, 62, 74, 85, 93, 102, 111, 155, 170, 185, 186, 222, 255, 310, 370, 465, 510, 527, 555, 629, 930, 1054, 1110, 1147, 1258, 1369, 1581, 1887, 2294, 2635, 2738, 3145, 3162, 3441, 3774, 4107, 5270, 5735, 6290, 6845, 6882, 7905, 8214, 9435, 11470, 13690, 15810, 17205, 18870, 19499, 20535, 23273, 34410, 38998, 41070, 42439, 46546, 58497, 69819, 84878, 97495, 116365, 116994, 127317, 139638, 194990, 212195, 232730, 254634, 292485, 349095, 424390, 584970, 636585, 698190, 721463, 1273170, 1442926, 2164389, 3607315, 4328778, 7214630, 10821945, 21643890]

約数ペア:

[(1, 21643890), (2, 10821945), (3, 7214630), (5, 4328778), (6, 3607315), (10, 2164389), (15, 1442926), (17, 1273170), (30, 721463), (31, 698190), (34, 636585), (37, 584970), (51, 424390), (62, 349095), (74, 292485), (85, 254634), (93, 232730), (102, 212195), (111, 194990), (155, 139638), (170, 127317), (185, 116994), (186, 116365), (222, 97495), (255, 84878), (310, 69819), (370, 58497), (465, 46546), (510, 42439), (527, 41070), (555, 38998), (629, 34410), (930, 23273), (1054, 20535), (1110, 19499), (1147, 18870), (1258, 17205), (1369, 15810), (1581, 13690), (1887, 11470), (2294, 9435), (2635, 8214), (2738, 7905), (3145, 6882), (3162, 6845), (3441, 6290), (3774, 5735), (4107, 5270)]