21457164360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{97021}}^1$

素因数の和:97151

約数の個数: 128

約数和(自身を含む): 68458723200

約数和(自身を除く): 47001558840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 97, 114, 120, 152, 190, 194, 228, 285, 291, 380, 388, 456, 485, 570, 582, 760, 776, 970, 1140, 1164, 1455, 1843, 1940, 2280, 2328, 2910, 3686, 3880, 5529, 5820, 7372, 9215, 11058, 11640, 14744, 18430, 22116, 27645, 36860, 44232, 55290, 73720, 97021, 110580, 194042, 221160, 291063, 388084, 485105, 582126, 776168, 970210, 1164252, 1455315, 1843399, 1940420, 2328504, 2910630, 3686798, 3880840, 5530197, 5821260, 7373596, 9216995, 9411037, 11060394, 11642520, 14747192, 18433990, 18822074, 22120788, 27650985, 28233111, 36867980, 37644148, 44241576, 47055185, 55301970, 56466222, 73735960, 75288296, 94110370, 110603940, 112932444, 141165555, 178809703, 188220740, 221207880, 225864888, 282331110, 357619406, 376441480, 536429109, 564662220, 715238812, 894048515, 1072858218, 1129324440, 1430477624, 1788097030, 2145716436, 2682145545, 3576194060, 4291432872, 5364291090, 7152388120, 10728582180, 21457164360]

約数ペア:

[(1, 21457164360), (2, 10728582180), (3, 7152388120), (4, 5364291090), (5, 4291432872), (6, 3576194060), (8, 2682145545), (10, 2145716436), (12, 1788097030), (15, 1430477624), (19, 1129324440), (20, 1072858218), (24, 894048515), (30, 715238812), (38, 564662220), (40, 536429109), (57, 376441480), (60, 357619406), (76, 282331110), (95, 225864888), (97, 221207880), (114, 188220740), (120, 178809703), (152, 141165555), (190, 112932444), (194, 110603940), (228, 94110370), (285, 75288296), (291, 73735960), (380, 56466222), (388, 55301970), (456, 47055185), (485, 44241576), (570, 37644148), (582, 36867980), (760, 28233111), (776, 27650985), (970, 22120788), (1140, 18822074), (1164, 18433990), (1455, 14747192), (1843, 11642520), (1940, 11060394), (2280, 9411037), (2328, 9216995), (2910, 7373596), (3686, 5821260), (3880, 5530197), (5529, 3880840), (5820, 3686798), (7372, 2910630), (9215, 2328504), (11058, 1940420), (11640, 1843399), (14744, 1455315), (18430, 1164252), (22116, 970210), (27645, 776168), (36860, 582126), (44232, 485105), (55290, 388084), (73720, 291063), (97021, 221160), (110580, 194042)]