21186673045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{18661}}^1$

素因数の和:18758

約数の個数: 48

約数和(自身を含む): 29180351088

約数和(自身を除く): 7993678043

約数列:

[1, 5, 17, 19, 37, 85, 95, 185, 323, 361, 629, 703, 1615, 1805, 3145, 3515, 6137, 11951, 13357, 18661, 30685, 59755, 66785, 93305, 227069, 317237, 354559, 690457, 1135345, 1586185, 1772795, 3452285, 6027503, 6736621, 11737769, 13118683, 30137515, 33683105, 58688845, 65593415, 114522557, 223017611, 249254977, 572612785, 1115088055, 1246274885, 4237334609, 21186673045]

約数ペア:

[(1, 21186673045), (5, 4237334609), (17, 1246274885), (19, 1115088055), (37, 572612785), (85, 249254977), (95, 223017611), (185, 114522557), (323, 65593415), (361, 58688845), (629, 33683105), (703, 30137515), (1615, 13118683), (1805, 11737769), (3145, 6736621), (3515, 6027503), (6137, 3452285), (11951, 1772795), (13357, 1586185), (18661, 1135345), (30685, 690457), (59755, 354559), (66785, 317237), (93305, 227069)]