21420217008

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{37573}}^1$

素因数の和:37731

約数の個数: 120

約数和(自身を含む): 62144089488

約数和(自身を除く): 40723872480

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 107, 111, 144, 148, 214, 222, 296, 321, 333, 428, 444, 592, 642, 666, 856, 888, 963, 1284, 1332, 1712, 1776, 1926, 2568, 2664, 3852, 3959, 5136, 5328, 7704, 7918, 11877, 15408, 15836, 23754, 31672, 35631, 37573, 47508, 63344, 71262, 75146, 95016, 112719, 142524, 150292, 190032, 225438, 285048, 300584, 338157, 450876, 570096, 601168, 676314, 901752, 1352628, 1390201, 1803504, 2705256, 2780402, 4020311, 4170603, 5410512, 5560804, 8040622, 8341206, 11121608, 12060933, 12511809, 16081244, 16682412, 22243216, 24121866, 25023618, 32162488, 33364824, 36182799, 48243732, 50047236, 64324976, 66729648, 72365598, 96487464, 100094472, 144731196, 148751507, 192974928, 200188944, 289462392, 297503014, 446254521, 578924784, 595006028, 892509042, 1190012056, 1338763563, 1785018084, 2380024112, 2677527126, 3570036168, 5355054252, 7140072336, 10710108504, 21420217008]

約数ペア:

[(1, 21420217008), (2, 10710108504), (3, 7140072336), (4, 5355054252), (6, 3570036168), (8, 2677527126), (9, 2380024112), (12, 1785018084), (16, 1338763563), (18, 1190012056), (24, 892509042), (36, 595006028), (37, 578924784), (48, 446254521), (72, 297503014), (74, 289462392), (107, 200188944), (111, 192974928), (144, 148751507), (148, 144731196), (214, 100094472), (222, 96487464), (296, 72365598), (321, 66729648), (333, 64324976), (428, 50047236), (444, 48243732), (592, 36182799), (642, 33364824), (666, 32162488), (856, 25023618), (888, 24121866), (963, 22243216), (1284, 16682412), (1332, 16081244), (1712, 12511809), (1776, 12060933), (1926, 11121608), (2568, 8341206), (2664, 8040622), (3852, 5560804), (3959, 5410512), (5136, 4170603), (5328, 4020311), (7704, 2780402), (7918, 2705256), (11877, 1803504), (15408, 1390201), (15836, 1352628), (23754, 901752), (31672, 676314), (35631, 601168), (37573, 570096), (47508, 450876), (63344, 338157), (71262, 300584), (75146, 285048), (95016, 225438), (112719, 190032), (142524, 150292)]