21909542004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1\times {\mathrm{2543}}^1$

素因数の和:2930

約数の個数: 144

約数和(自身を含む): 64006225920

約数和(自身を除く): 42096683916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 179, 191, 252, 358, 382, 537, 573, 716, 764, 1074, 1146, 1253, 1337, 1611, 1719, 2148, 2292, 2506, 2543, 2674, 3222, 3438, 3759, 4011, 5012, 5086, 5348, 6444, 6876, 7518, 7629, 8022, 10172, 11277, 12033, 15036, 15258, 16044, 17801, 22554, 22887, 24066, 30516, 34189, 35602, 45108, 45774, 48132, 53403, 68378, 71204, 91548, 102567, 106806, 136756, 160209, 205134, 213612, 239323, 307701, 320418, 410268, 455197, 478646, 485713, 615402, 640836, 717969, 910394, 957292, 971426, 1230804, 1365591, 1435938, 1457139, 1820788, 1942852, 2153907, 2731182, 2871876, 2914278, 3186379, 3399991, 4096773, 4307814, 4371417, 5462364, 5828556, 6372758, 6799982, 8193546, 8615628, 8742834, 9559137, 10199973, 12745516, 13599964, 16387092, 17485668, 19118274, 20399946, 28677411, 30599919, 38236548, 40799892, 57354822, 61199838, 86942627, 114709644, 122399676, 173885254, 260827881, 347770508, 521655762, 608598389, 782483643, 1043311524, 1217196778, 1564967286, 1825795167, 2434393556, 3129934572, 3651590334, 5477385501, 7303180668, 10954771002, 21909542004]

約数ペア:

[(1, 21909542004), (2, 10954771002), (3, 7303180668), (4, 5477385501), (6, 3651590334), (7, 3129934572), (9, 2434393556), (12, 1825795167), (14, 1564967286), (18, 1217196778), (21, 1043311524), (28, 782483643), (36, 608598389), (42, 521655762), (63, 347770508), (84, 260827881), (126, 173885254), (179, 122399676), (191, 114709644), (252, 86942627), (358, 61199838), (382, 57354822), (537, 40799892), (573, 38236548), (716, 30599919), (764, 28677411), (1074, 20399946), (1146, 19118274), (1253, 17485668), (1337, 16387092), (1611, 13599964), (1719, 12745516), (2148, 10199973), (2292, 9559137), (2506, 8742834), (2543, 8615628), (2674, 8193546), (3222, 6799982), (3438, 6372758), (3759, 5828556), (4011, 5462364), (5012, 4371417), (5086, 4307814), (5348, 4096773), (6444, 3399991), (6876, 3186379), (7518, 2914278), (7629, 2871876), (8022, 2731182), (10172, 2153907), (11277, 1942852), (12033, 1820788), (15036, 1457139), (15258, 1435938), (16044, 1365591), (17801, 1230804), (22554, 971426), (22887, 957292), (24066, 910394), (30516, 717969), (34189, 640836), (35602, 615402), (45108, 485713), (45774, 478646), (48132, 455197), (53403, 410268), (68378, 320418), (71204, 307701), (91548, 239323), (102567, 213612), (106806, 205134), (136756, 160209)]