21400157220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2591}}^1\times {\mathrm{10589}}^1$

素因数の和:13205

約数の個数: 96

約数和(自身を含む): 64560706560

約数和(自身を除く): 43160549340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2591, 5182, 7773, 10364, 10589, 12955, 15546, 21178, 25910, 31092, 31767, 33683, 38865, 42356, 51820, 52945, 63534, 67366, 77730, 101049, 105890, 127068, 134732, 137657, 155460, 158835, 168415, 202098, 211780, 275314, 317670, 336830, 404196, 412971, 505245, 550628, 635340, 673660, 688285, 825942, 1010490, 1376570, 1651884, 2020980, 2064855, 2753140, 4129710, 8259420, 27436099, 54872198, 82308297, 109744396, 137180495, 164616594, 274360990, 329233188, 356669287, 411541485, 548721980, 713338574, 823082970, 1070007861, 1426677148, 1646165940, 1783346435, 2140015722, 3566692870, 4280031444, 5350039305, 7133385740, 10700078610, 21400157220]

約数ペア:

[(1, 21400157220), (2, 10700078610), (3, 7133385740), (4, 5350039305), (5, 4280031444), (6, 3566692870), (10, 2140015722), (12, 1783346435), (13, 1646165940), (15, 1426677148), (20, 1070007861), (26, 823082970), (30, 713338574), (39, 548721980), (52, 411541485), (60, 356669287), (65, 329233188), (78, 274360990), (130, 164616594), (156, 137180495), (195, 109744396), (260, 82308297), (390, 54872198), (780, 27436099), (2591, 8259420), (5182, 4129710), (7773, 2753140), (10364, 2064855), (10589, 2020980), (12955, 1651884), (15546, 1376570), (21178, 1010490), (25910, 825942), (31092, 688285), (31767, 673660), (33683, 635340), (38865, 550628), (42356, 505245), (51820, 412971), (52945, 404196), (63534, 336830), (67366, 317670), (77730, 275314), (101049, 211780), (105890, 202098), (127068, 168415), (134732, 158835), (137657, 155460)]