21595644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^2$

素因数の和:176

約数の個数: 108

約数和(自身を含む): 67000752

約数和(自身を除く): 45405108

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 71, 84, 102, 119, 126, 142, 153, 204, 213, 238, 252, 284, 306, 357, 426, 476, 497, 612, 639, 714, 852, 994, 1071, 1207, 1278, 1428, 1491, 1988, 2142, 2414, 2556, 2982, 3621, 4284, 4473, 4828, 5041, 5964, 7242, 8449, 8946, 10082, 10863, 14484, 15123, 16898, 17892, 20164, 21726, 25347, 30246, 33796, 35287, 43452, 45369, 50694, 60492, 70574, 76041, 85697, 90738, 101388, 105861, 141148, 152082, 171394, 181476, 211722, 257091, 304164, 317583, 342788, 423444, 514182, 599879, 635166, 771273, 1028364, 1199758, 1270332, 1542546, 1799637, 2399516, 3085092, 3599274, 5398911, 7198548, 10797822, 21595644]

約数ペア:

[(1, 21595644), (2, 10797822), (3, 7198548), (4, 5398911), (6, 3599274), (7, 3085092), (9, 2399516), (12, 1799637), (14, 1542546), (17, 1270332), (18, 1199758), (21, 1028364), (28, 771273), (34, 635166), (36, 599879), (42, 514182), (51, 423444), (63, 342788), (68, 317583), (71, 304164), (84, 257091), (102, 211722), (119, 181476), (126, 171394), (142, 152082), (153, 141148), (204, 105861), (213, 101388), (238, 90738), (252, 85697), (284, 76041), (306, 70574), (357, 60492), (426, 50694), (476, 45369), (497, 43452), (612, 35287), (639, 33796), (714, 30246), (852, 25347), (994, 21726), (1071, 20164), (1207, 17892), (1278, 16898), (1428, 15123), (1491, 14484), (1988, 10863), (2142, 10082), (2414, 8946), (2556, 8449), (2982, 7242), (3621, 5964), (4284, 5041), (4473, 4828)]