21192210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:392

約数の個数: 96

約数和(自身を含む): 60540480

約数和(自身を除く): 39348270

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 59, 65, 78, 90, 117, 118, 130, 177, 195, 234, 295, 307, 354, 390, 531, 585, 590, 614, 767, 885, 921, 1062, 1170, 1534, 1535, 1770, 1842, 2301, 2655, 2763, 3070, 3835, 3991, 4602, 4605, 5310, 5526, 6903, 7670, 7982, 9210, 11505, 11973, 13806, 13815, 18113, 19955, 23010, 23946, 27630, 34515, 35919, 36226, 39910, 54339, 59865, 69030, 71838, 90565, 108678, 119730, 163017, 179595, 181130, 235469, 271695, 326034, 359190, 470938, 543390, 706407, 815085, 1177345, 1412814, 1630170, 2119221, 2354690, 3532035, 4238442, 7064070, 10596105, 21192210]

約数ペア:

[(1, 21192210), (2, 10596105), (3, 7064070), (5, 4238442), (6, 3532035), (9, 2354690), (10, 2119221), (13, 1630170), (15, 1412814), (18, 1177345), (26, 815085), (30, 706407), (39, 543390), (45, 470938), (59, 359190), (65, 326034), (78, 271695), (90, 235469), (117, 181130), (118, 179595), (130, 163017), (177, 119730), (195, 108678), (234, 90565), (295, 71838), (307, 69030), (354, 59865), (390, 54339), (531, 39910), (585, 36226), (590, 35919), (614, 34515), (767, 27630), (885, 23946), (921, 23010), (1062, 19955), (1170, 18113), (1534, 13815), (1535, 13806), (1770, 11973), (1842, 11505), (2301, 9210), (2655, 7982), (2763, 7670), (3070, 6903), (3835, 5526), (3991, 5310), (4602, 4605)]