21587412

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:469

約数の個数: 96

約数和(自身を含む): 63995904

約数和(自身を除く): 42408492

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 61, 66, 77, 84, 122, 132, 154, 183, 231, 244, 308, 366, 383, 427, 462, 671, 732, 766, 854, 924, 1149, 1281, 1342, 1532, 1708, 2013, 2298, 2562, 2681, 2684, 4026, 4213, 4596, 4697, 5124, 5362, 8043, 8052, 8426, 9394, 10724, 12639, 14091, 16086, 16852, 18788, 23363, 25278, 28182, 29491, 32172, 46726, 50556, 56364, 58982, 70089, 88473, 93452, 117964, 140178, 163541, 176946, 256993, 280356, 327082, 353892, 490623, 513986, 654164, 770979, 981246, 1027972, 1541958, 1798951, 1962492, 3083916, 3597902, 5396853, 7195804, 10793706, 21587412]

約数ペア:

[(1, 21587412), (2, 10793706), (3, 7195804), (4, 5396853), (6, 3597902), (7, 3083916), (11, 1962492), (12, 1798951), (14, 1541958), (21, 1027972), (22, 981246), (28, 770979), (33, 654164), (42, 513986), (44, 490623), (61, 353892), (66, 327082), (77, 280356), (84, 256993), (122, 176946), (132, 163541), (154, 140178), (183, 117964), (231, 93452), (244, 88473), (308, 70089), (366, 58982), (383, 56364), (427, 50556), (462, 46726), (671, 32172), (732, 29491), (766, 28182), (854, 25278), (924, 23363), (1149, 18788), (1281, 16852), (1342, 16086), (1532, 14091), (1708, 12639), (2013, 10724), (2298, 9394), (2562, 8426), (2681, 8052), (2684, 8043), (4026, 5362), (4213, 5124), (4596, 4697)]