21006401332

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^2\times {\mathrm{103}}^1\times {\mathrm{619}}^1$

素因数の和:822

約数の個数: 108

約数和(自身を含む): 44328516960

約数和(自身を除く): 23322115628

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 103, 164, 196, 206, 287, 412, 574, 619, 721, 1148, 1238, 1442, 1681, 2009, 2476, 2884, 3362, 4018, 4223, 4333, 5047, 6724, 8036, 8446, 8666, 10094, 11767, 16892, 17332, 20188, 23534, 25379, 29561, 30331, 47068, 50758, 59122, 60662, 63757, 82369, 101516, 118244, 121324, 127514, 164738, 173143, 177653, 206927, 255028, 329476, 346286, 355306, 413854, 446299, 692572, 710612, 827708, 892598, 1040539, 1212001, 1243571, 1785196, 2081078, 2424002, 2487142, 2614037, 3124093, 4162156, 4848004, 4974284, 5228074, 6248186, 7283773, 8484007, 10456148, 12496372, 14567546, 16968014, 18298259, 29135092, 33936028, 36596518, 50986411, 73193036, 101972822, 107175517, 128087813, 203945644, 214351034, 256175626, 428702068, 512351252, 750228619, 1500457238, 3000914476, 5251600333, 10503200666, 21006401332]

約数ペア:

[(1, 21006401332), (2, 10503200666), (4, 5251600333), (7, 3000914476), (14, 1500457238), (28, 750228619), (41, 512351252), (49, 428702068), (82, 256175626), (98, 214351034), (103, 203945644), (164, 128087813), (196, 107175517), (206, 101972822), (287, 73193036), (412, 50986411), (574, 36596518), (619, 33936028), (721, 29135092), (1148, 18298259), (1238, 16968014), (1442, 14567546), (1681, 12496372), (2009, 10456148), (2476, 8484007), (2884, 7283773), (3362, 6248186), (4018, 5228074), (4223, 4974284), (4333, 4848004), (5047, 4162156), (6724, 3124093), (8036, 2614037), (8446, 2487142), (8666, 2424002), (10094, 2081078), (11767, 1785196), (16892, 1243571), (17332, 1212001), (20188, 1040539), (23534, 892598), (25379, 827708), (29561, 710612), (30331, 692572), (47068, 446299), (50758, 413854), (59122, 355306), (60662, 346286), (63757, 329476), (82369, 255028), (101516, 206927), (118244, 177653), (121324, 173143), (127514, 164738)]