21306118960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{26113}}^1$

素因数の和:26211

約数の個数: 160

約数和(自身を含む): 59685322752

約数和(自身を除く): 38379203792

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 47, 56, 62, 70, 80, 94, 112, 124, 140, 155, 188, 217, 235, 248, 280, 310, 329, 376, 434, 470, 496, 560, 620, 658, 752, 868, 940, 1085, 1240, 1316, 1457, 1645, 1736, 1880, 2170, 2480, 2632, 2914, 3290, 3472, 3760, 4340, 5264, 5828, 6580, 7285, 8680, 10199, 11656, 13160, 14570, 17360, 20398, 23312, 26113, 26320, 29140, 40796, 50995, 52226, 58280, 81592, 101990, 104452, 116560, 130565, 163184, 182791, 203980, 208904, 261130, 365582, 407960, 417808, 522260, 731164, 809503, 815920, 913955, 1044520, 1227311, 1462328, 1619006, 1827910, 2089040, 2454622, 2924656, 3238012, 3655820, 4047515, 4909244, 5666521, 6136555, 6476024, 7311640, 8095030, 8591177, 9818488, 11333042, 12273110, 12952048, 14623280, 16190060, 17182354, 19636976, 22666084, 24546220, 28332605, 32380120, 34364708, 38046641, 42955885, 45332168, 49092440, 56665210, 64760240, 68729416, 76093282, 85911770, 90664336, 98184880, 113330420, 137458832, 152186564, 171823540, 190233205, 226660840, 266326487, 304373128, 343647080, 380466410, 453321680, 532652974, 608746256, 687294160, 760932820, 1065305948, 1331632435, 1521865640, 2130611896, 2663264870, 3043731280, 4261223792, 5326529740, 10653059480, 21306118960]

約数ペア:

[(1, 21306118960), (2, 10653059480), (4, 5326529740), (5, 4261223792), (7, 3043731280), (8, 2663264870), (10, 2130611896), (14, 1521865640), (16, 1331632435), (20, 1065305948), (28, 760932820), (31, 687294160), (35, 608746256), (40, 532652974), (47, 453321680), (56, 380466410), (62, 343647080), (70, 304373128), (80, 266326487), (94, 226660840), (112, 190233205), (124, 171823540), (140, 152186564), (155, 137458832), (188, 113330420), (217, 98184880), (235, 90664336), (248, 85911770), (280, 76093282), (310, 68729416), (329, 64760240), (376, 56665210), (434, 49092440), (470, 45332168), (496, 42955885), (560, 38046641), (620, 34364708), (658, 32380120), (752, 28332605), (868, 24546220), (940, 22666084), (1085, 19636976), (1240, 17182354), (1316, 16190060), (1457, 14623280), (1645, 12952048), (1736, 12273110), (1880, 11333042), (2170, 9818488), (2480, 8591177), (2632, 8095030), (2914, 7311640), (3290, 6476024), (3472, 6136555), (3760, 5666521), (4340, 4909244), (5264, 4047515), (5828, 3655820), (6580, 3238012), (7285, 2924656), (8680, 2454622), (10199, 2089040), (11656, 1827910), (13160, 1619006), (14570, 1462328), (17360, 1227311), (20398, 1044520), (23312, 913955), (26113, 815920), (26320, 809503), (29140, 731164), (40796, 522260), (50995, 417808), (52226, 407960), (58280, 365582), (81592, 261130), (101990, 208904), (104452, 203980), (116560, 182791), (130565, 163184)]