21011325400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{28759}}^1$

素因数の和:29069

約数の個数: 96

約数和(自身を含む): 52798183200

約数和(自身を除く): 31786857800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 281, 325, 520, 562, 650, 1124, 1300, 1405, 2248, 2600, 2810, 3653, 5620, 7025, 7306, 11240, 14050, 14612, 18265, 28100, 28759, 29224, 36530, 56200, 57518, 73060, 91325, 115036, 143795, 146120, 182650, 230072, 287590, 365300, 373867, 575180, 718975, 730600, 747734, 1150360, 1437950, 1495468, 1869335, 2875900, 2990936, 3738670, 5751800, 7477340, 8081279, 9346675, 14954680, 16162558, 18693350, 32325116, 37386700, 40406395, 64650232, 74773400, 80812790, 105056627, 161625580, 202031975, 210113254, 323251160, 404063950, 420226508, 525283135, 808127900, 840453016, 1050566270, 1616255800, 2101132540, 2626415675, 4202265080, 5252831350, 10505662700, 21011325400]

約数ペア:

[(1, 21011325400), (2, 10505662700), (4, 5252831350), (5, 4202265080), (8, 2626415675), (10, 2101132540), (13, 1616255800), (20, 1050566270), (25, 840453016), (26, 808127900), (40, 525283135), (50, 420226508), (52, 404063950), (65, 323251160), (100, 210113254), (104, 202031975), (130, 161625580), (200, 105056627), (260, 80812790), (281, 74773400), (325, 64650232), (520, 40406395), (562, 37386700), (650, 32325116), (1124, 18693350), (1300, 16162558), (1405, 14954680), (2248, 9346675), (2600, 8081279), (2810, 7477340), (3653, 5751800), (5620, 3738670), (7025, 2990936), (7306, 2875900), (11240, 1869335), (14050, 1495468), (14612, 1437950), (18265, 1150360), (28100, 747734), (28759, 730600), (29224, 718975), (36530, 575180), (56200, 373867), (57518, 365300), (73060, 287590), (91325, 230072), (115036, 182650), (143795, 146120)]