21362278840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{3319}}^1$

素因数の和:3645

約数の個数: 128

約数和(自身を含む): 55686758400

約数和(自身を除く): 34324479560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 181, 254, 280, 362, 508, 635, 724, 889, 905, 1016, 1267, 1270, 1448, 1778, 1810, 2534, 2540, 3319, 3556, 3620, 4445, 5068, 5080, 6335, 6638, 7112, 7240, 8890, 10136, 12670, 13276, 16595, 17780, 22987, 23233, 25340, 26552, 33190, 35560, 45974, 46466, 50680, 66380, 91948, 92932, 114935, 116165, 132760, 160909, 183896, 185864, 229870, 232330, 321818, 421513, 459740, 464660, 600739, 643636, 804545, 843026, 919480, 929320, 1201478, 1287272, 1609090, 1686052, 2107565, 2402956, 2950591, 3003695, 3218180, 3372104, 4205173, 4215130, 4805912, 5901182, 6007390, 6436360, 8410346, 8430260, 11802364, 12014780, 14752955, 16820692, 16860520, 21025865, 23604728, 24029560, 29505910, 33641384, 42051730, 59011820, 76293853, 84103460, 118023640, 152587706, 168206920, 305175412, 381469265, 534056971, 610350824, 762938530, 1068113942, 1525877060, 2136227884, 2670284855, 3051754120, 4272455768, 5340569710, 10681139420, 21362278840]

約数ペア:

[(1, 21362278840), (2, 10681139420), (4, 5340569710), (5, 4272455768), (7, 3051754120), (8, 2670284855), (10, 2136227884), (14, 1525877060), (20, 1068113942), (28, 762938530), (35, 610350824), (40, 534056971), (56, 381469265), (70, 305175412), (127, 168206920), (140, 152587706), (181, 118023640), (254, 84103460), (280, 76293853), (362, 59011820), (508, 42051730), (635, 33641384), (724, 29505910), (889, 24029560), (905, 23604728), (1016, 21025865), (1267, 16860520), (1270, 16820692), (1448, 14752955), (1778, 12014780), (1810, 11802364), (2534, 8430260), (2540, 8410346), (3319, 6436360), (3556, 6007390), (3620, 5901182), (4445, 4805912), (5068, 4215130), (5080, 4205173), (6335, 3372104), (6638, 3218180), (7112, 3003695), (7240, 2950591), (8890, 2402956), (10136, 2107565), (12670, 1686052), (13276, 1609090), (16595, 1287272), (17780, 1201478), (22987, 929320), (23233, 919480), (25340, 843026), (26552, 804545), (33190, 643636), (35560, 600739), (45974, 464660), (46466, 459740), (50680, 421513), (66380, 321818), (91948, 232330), (92932, 229870), (114935, 185864), (116165, 183896), (132760, 160909)]